BottomBar | custom view component

 .bottombarcontainer .bottombar input[type="radio"]:checked + .round {
  transform: translate(0, -7px);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3);
  background: white;
  border:8px solid #66ccff ;
}

options={{
  tabBarLabel: ({focused, color, size}) => (
    <Text style={{color: focused ? 'red' : color}}>Updates</Text>
  ),
}}

const Tab = createBottomTabNavigator();

function MyTabs() {
  return (
    <Tab.Navigator>
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Updates</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons name="bell" color={color} size={size} />
          ),
        }}
        name="Home"
        component={HomeScreen}
      />
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Settings</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons
              name="account-settings"
              color={color}
              size={size}
            />
          ),
        }}
        name="Settings"
        component={SettingsScreen}
      />
    </Tab.Navigator>
  )
}

options={{
  tabBarLabel: ({focused, color, size}) => (
    <Text style={{color: focused ? 'red' : color}}>Updates</Text>
  ),
}}

const Tab = createBottomTabNavigator();

function MyTabs() {
  return (
    <Tab.Navigator>
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Updates</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons name="bell" color={color} size={size} />
          ),
        }}
        name="Home"
        component={HomeScreen}
      />
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Settings</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons
              name="account-settings"
              color={color}
              size={size}
            />
          ),
        }}
        name="Settings"
        component={SettingsScreen}
      />
    </Tab.Navigator>
  )
}

options={{
  tabBarLabel: ({focused, color, size}) => (
    <Text style={{color: focused ? 'red' : color}}>Updates</Text>
  ),
}}

const Tab = createBottomTabNavigator();

function MyTabs() {
  return (
    <Tab.Navigator>
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Updates</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons name="bell" color={color} size={size} />
          ),
        }}
        name="Home"
        component={HomeScreen}
      />
      <Tab.Screen
        options={{
          tabBarLabel: ({focused, color, size}) => (
            <Text style={{color: focused ? 'red' : color}}>Settings</Text>
          ),
          tabBarIcon: ({color, size}) => (
            <MaterialCommunityIcons
              name="account-settings"
              color={color}
              size={size}
            />
          ),
        }}
        name="Settings"
        component={SettingsScreen}
      />
    </Tab.Navigator>
  )
}

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

termsCheckBox.closest('form').querySelectorAll("input[type=checkbox]:checked")

document.getElementById("grid").querySelectorAll("input[type=checkbox]:checked")

document.getElementsByClassName("selectall")[0].style.display = "block";
document.getElementsByClassName("hideall")[0].style.display = "none";

const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";     

function chk(termsCheckBox){
    const grid = document.getElementById("grid");
    document.getElementById("attend").disabled = !grid.querySelectorAll("input[type=checkbox]:checked").length;
    if(document.getElementById("attend").disabled) {
        document.getElementById("attend").classList.remove("green-btn");
        document.getElementById("attend").classList.add("grey-btn");
        document.getElementById("action").classList.remove("green-btn");
        document.getElementById("action").classList.add("grey-btn");
        document.getElementById("random").classList.add("green-btn");
        document.getElementById("random").classList.remove("grey-btn");
    } 
    else {
        document.getElementById("attend").classList.add("green-btn");
        document.getElementById("attend").classList.remove("grey-btn");
        document.getElementById("action").classList.add("green-btn");
        document.getElementById("action").classList.remove("grey-btn");
        document.getElementById("random").classList.remove("green-btn");
        document.getElementById("random").classList.add("grey-btn");
    }
    const areAllSelected = grid.querySelectorAll("input[type=checkbox]:checked").length === grid.querySelectorAll("input[type=checkbox]").length;
    document.getElementsByClassName("selectall")[0].style.display = areAllSelected ? "none" : "block";
    document.getElementsByClassName("hideall")[0].style.display = areAllSelected ? "block" : "none";      
}

// Below this line is not verified to work yet //

function selectAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = true;
    }
    document.getElementsByClassName("selectall")[0].style.display = "none";
    document.getElementsByClassName("hideall")[0].style.display = "block";
}

function hideAll() {
    var items = document.getElementsByTagName('input');
    for (var i = 0; i < items.length; i++) {
        if (items[i].type == 'checkbox')
            items[i].checked = false;
    }
    document.getElementsByClassName("selectall")[0].style.display = "block";
    document.getElementsByClassName("hideall")[0].style.display = "none";
}

#grid {
  margin: 20px;
  display: grid;
  grid-gap: 20px;}

.tile {
  width: 125px; height: 165px;
  font-size: 0.9rem;
  background-color: white;
  border-radius: 4%;
  overflow: hidden;
  text-align: center;
  box-shadow: 3px 4px #CECECE}
  .tile img{max-width: 100%; max-height: 100%; display: block;}
  .tile:hover {background-color: #C2CBB9; box-shadow: 3px 4px #9E999E; cursor: grab; transform: scale(1.05);}

.absent {filter: grayscale(100%); color: gray;}

.tile_pic{
  width: 125px;
  height: 125px;
  object-fit: cover;}

.tile_title {
  margin-top: 10px;
  font-family: 'Rubik', sans-serif;}

#grid input[type=checkbox] {display: none;}
#grid input:checked + label .tile{background-color: #A3B195; box-shadow: 3px 4px #9E999E}

@media (min-width: 430px) {#grid { grid-template-columns: repeat(5, 1fr); }}
@media (min-width: 660px) {#grid { grid-template-columns: repeat(6, 1fr); }}
@media (min-width: 890px) {#grid { grid-template-columns: repeat(7, 1fr); }}
@media (min-width: 1120px) {#grid { grid-template-columns: repeat(8, 1fr); }}
@media (min-width: 1350px) {#grid { grid-template-columns: repeat(9, 1fr); }}
@media (min-width: 1580px) {#grid { grid-template-columns: repeat(10, 1fr); }}




/* Begin editing below here */
body {background-color: #F2F2F2;}

#content {
  position: absolute;
  width: 100vw; height: calc(100vh - 120px);
  top: 60px; left: 0;
  padding-top: 30px}

#bottombar {
  position: fixed;
  width: 100vw; height: 60px;
  bottom: 0; left: 0;
  padding: 4px;
  box-sizing: border-box;
  border-top: 2px solid darkgray;
  background-color: white;}

.right{float: right;}
.left{float: left;}

#bottombar ul{
  margin: 0;
  padding: 0;
  list-style-type: none}
  #bottombar li{float: left}

.selectall, .hideall {font-size: 20px; padding: 11px}

/* Customizes the global button design */
#bottombar .button {
  padding: 8px 24px;
  margin-right: 8px;
  font-size: 18px;
  border-radius: 26px}

<link rel="stylesheet" href="https://classcolonies.com/resources/style.css">

<div id='content'>
  <form id='grid'>
    <input type='checkbox' name='upid[]' id='292' value='292' onclick='chk(this);'>
    <label for='292'>
      <div class='tile absent'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/default.png'>
        <div class='tile_title'><b>Charlie</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='306' value='306' onclick='chk(this);'>
    <label for='306'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/68.jpg'>
        <div class='tile_title'><b>Marshall</b></div>
      </div>
    </label>
    <input type='checkbox' name='upid[]' id='107' value='107' onclick='chk(this);'>
    <label for='107'>
      <div class='tile'>
        <img class='tile_pic' src='https://classcolonies.com/resources/pics/students/59.jpg'>
        <div class='tile_title'><b>Addix</b></div>
      </div>
    </label>
  </form>
</div>


<div id='bottombar'>
  
  <ul class="left">
    <li><a class="selectall" onclick='selectAll(); chk(this);'>Select All</a></li>
    <li><a class="hideall" style='display:none' onclick='hideAll(); chk(this);'>Select None</a></li>
  </ul>
  
  <ul class="right">
    <li><button id='attend' class="button grey-btn" disabled>Attendance</button></li>
    <li><button id='action' class="button grey-btn" disabled>Action</button></li>
    <li><button id='random' class="button green-btn">Random</button></li>
  </ul>

</div>

let condition = document.getElementById("attend").disabled;
document.getElementById("attend").classList.toogle("green-btn", !condition); // remove when condition is true, add when condition is false
document.getElementById("attend").classList.toogle("grey-btn", condition); // remove when condition is false, add when condition is true

   HorizontalCenteredRow(
          modifier = Modifier.fillMaxWidth()

        HorizontalCenteredRow(modifier = Modifier
            .fillMaxWidth()) {
            val textState = remember { mutableStateOf(TextFieldValue()) }
            TextField(
                value = textState.value,
                onValueChange = { textState.value = it },
                modifier = Modifier.weight(1f)
            )

   HorizontalCenteredRow(
          modifier = Modifier.fillMaxWidth()

        HorizontalCenteredRow(modifier = Modifier
            .fillMaxWidth()) {
            val textState = remember { mutableStateOf(TextFieldValue()) }
            TextField(
                value = textState.value,
                onValueChange = { textState.value = it },
                modifier = Modifier.weight(1f)
            )

    if (facetKey) {
      console.log(`${facetKey}: ${facetValue}`);
      setParams({
        [facetKey]: facetValue,  // updating params here
        ...params,
      });
    }
    console.log(params);

    const options = {
      method: "GET",
      url: "https://asos2.p.rapidapi.com/products/v2/list",
      params: params,  // using it here so this will always return previous value
      headers: {
        "x-rapidapi-key": "",
        "x-rapidapi-host": "",
      },
    };

    let requestParam = {};
    if (facetKey) {
      requestParam = {[facetKey]: facetValue, ...params}   // create const with expected value
      setParams({...requestParam});
    }

    const options = {
      method: "GET",
      url: "https://asos2.p.rapidapi.com/products/v2/list",
      params: requestParam,   // pass new const here in options
      headers: {
        "x-rapidapi-key": "",
        "x-rapidapi-host": "",
      },
    };

    if (facetKey) {
      console.log(`${facetKey}: ${facetValue}`);
      setParams({
        [facetKey]: facetValue,  // updating params here
        ...params,
      });
    }
    console.log(params);

    const options = {
      method: "GET",
      url: "https://asos2.p.rapidapi.com/products/v2/list",
      params: params,  // using it here so this will always return previous value
      headers: {
        "x-rapidapi-key": "",
        "x-rapidapi-host": "",
      },
    };

    let requestParam = {};
    if (facetKey) {
      requestParam = {[facetKey]: facetValue, ...params}   // create const with expected value
      setParams({...requestParam});
    }

    const options = {
      method: "GET",
      url: "https://asos2.p.rapidapi.com/products/v2/list",
      params: requestParam,   // pass new const here in options
      headers: {
        "x-rapidapi-key": "",
        "x-rapidapi-host": "",
      },
    };

// Receiving the Key and Value when a user interacts with the "sorting" dropdowns.
const facetValue = props.facetValue;
const facetKey = props.facetKey;

// Setting initial parameters
const [params, setParams] = useState({
  store: "US",
  offset: props.offset,
  categoryId: props.categoryId,
  limit: props.limit,
  country: "US",
  sort: "freshness",
  currency: "USD",
  sizeSchema: "US",
  lang: "en-US",
});

useEffect(() => {
  // if FacetKey is not undefined.
  if (facetKey) {
    console.log(`${facetKey}: ${facetValue}`);
    setParams((currParams) => { ...currParams, [facetKey]: facetValue });
  }

  // Is it my dependencies that are incorrect?
}, [props.limit, facetKey]);



useEffect(() => {
  // you can move your api call to a function itself which takes params
  const options = {
    method: "GET",
    url: "https://asos2.p.rapidapi.com/products/v2/list",
    params: params,
    headers: {
      "x-rapidapi-key": "",
      "x-rapidapi-host": "",
    },
  };
  axios
    .request(options)
    .then(function (response) {
      setProducts(response.data.products);
      // assuming here that props.items is more like props.setItems as you are setting it's value
      props.items(response.data.itemCount);
      // assuming here that props.facets is more like props.setFacets as you are setting it's value
      props.facets(response.data.facets);
    })
    .catch(function (error) {
      console.error(error);
    });
}, [params]);

Scaffold(
    bottomBar = {
        if (currentRoute != "xxxx") {
            BottomAppBar() {
               //....
            }
        }
    },

val navBackStackEntry by navController.currentBackStackEntryAsState()
val currentRoute = navBackStackEntry.destination.route

Scaffold(
    bottomBar = {
        if (currentRoute != "xxxx") {
            BottomAppBar() {
               //....
            }
        }
    },

val navBackStackEntry by navController.currentBackStackEntryAsState()
val currentRoute = navBackStackEntry.destination.route

bottomBar = {
            BottomAppBar(cutoutShape = fabShape) {
                BottomNavigation {
                    items.forEachIndexed { index, item ->
                        if (index != 2){ // 
                        BottomNavigationItem(
                            // your implementation
                        )} else {
                            //Empty BottomNavigationItem
                            BottomNavigationItem(
                                icon = {},
                                label = {  },
                                selected = false,
                                onClick = {  },
                                enabled = false
                            )
                        }
                    }
                }

            }
        },

findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
            }
        }
        return true
    }

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
                findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);
            }
        }
        return true
    }

findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
            }
        }
        return true
    }

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
                findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);
            }
        }
        return true
    }

findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
            }
        }
        return true
    }

override fun onMenuItemClick(item: MenuItem?): Boolean {
        when(item?.itemId) {
            R.id.app_bar_notification -> {
                changeFragment(NotificationsFragment(), getString(R.string.tag_notifications))
                findViewById<BottomNavigationView>(R.id. bottomNavigationView).getMenu().setGroupCheckable(0, false, true);
            }
        }
        return true
    }

<androidx.coordinatorlayout.widget.CoordinatorLayout
    android:id="@+id/bottomBarContainer"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="bottom">

    <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/fabNewIssue"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:backgroundTint="@color/strong_blue"
            android:contentDescription="Add Issue"
            app:srcCompat="@drawable/ic_outline_add_24"
            app:tint="@color/white"
            app:fabCustomSize="60dp"
            app:layout_anchor="@+id/bottomBar"
            app:layout_anchorGravity="top|center"/>

        <com.google.android.material.bottomappbar.BottomAppBar
            android:id="@+id/bottomBar"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            app:fabAlignmentMode="center"
            app:fabCradleMargin="10dp"
            app:fabCradleRoundedCornerRadius="10dp">

            <com.google.android.material.bottomnavigation.BottomNavigationView
                android:id="@+id/bottomNavigationView"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginEnd="16dp"
                android:background="@android:color/transparent"
                app:menu="@menu/bottom_nav_menu"/>

    </com.google.android.material.bottomappbar.BottomAppBar>

</androidx.coordinatorlayout.widget.CoordinatorLayout>

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    (activity as MainActivity).let {
        it.toolbarText = "Olá " + it.user?.name
        it.appbar.setExpanded(true)
        it.binding.bottomBarContainer.visibility = View.GONE
        it.binding.mainFragmentContainer.setPadding(0,0,0, 
                  Utils().convertDpToPixel(60f,requireContext()).toInt())
    }
}

<androidx.coordinatorlayout.widget.CoordinatorLayout
    android:id="@+id/bottomBarContainer"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="bottom">

    <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/fabNewIssue"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:backgroundTint="@color/strong_blue"
            android:contentDescription="Add Issue"
            app:srcCompat="@drawable/ic_outline_add_24"
            app:tint="@color/white"
            app:fabCustomSize="60dp"
            app:layout_anchor="@+id/bottomBar"
            app:layout_anchorGravity="top|center"/>

        <com.google.android.material.bottomappbar.BottomAppBar
            android:id="@+id/bottomBar"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            app:fabAlignmentMode="center"
            app:fabCradleMargin="10dp"
            app:fabCradleRoundedCornerRadius="10dp">

            <com.google.android.material.bottomnavigation.BottomNavigationView
                android:id="@+id/bottomNavigationView"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginEnd="16dp"
                android:background="@android:color/transparent"
                app:menu="@menu/bottom_nav_menu"/>

    </com.google.android.material.bottomappbar.BottomAppBar>

</androidx.coordinatorlayout.widget.CoordinatorLayout>

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    (activity as MainActivity).let {
        it.toolbarText = "Olá " + it.user?.name
        it.appbar.setExpanded(true)
        it.binding.bottomBarContainer.visibility = View.GONE
        it.binding.mainFragmentContainer.setPadding(0,0,0, 
                  Utils().convertDpToPixel(60f,requireContext()).toInt())
    }
}

$(document).ready(function(){   
    if ($(window).width() < 980) {
      // mobile menu
      $('.hamburger').click(function (event) {
        $(this).toggleClass('h-active');
        $('.main-nav').toggleClass('slidenav');
      });

      $('.header-home .main-nav ul li  a').click(function (event) {
        $('.hamburger').removeClass('h-active');
        $('.main-nav').removeClass('slidenav');
      });
    }


    $(".main-nav .fl").on('click', function(event) {
      event.preventDefault();
      var $fl = $(this);
      $(this).parent().siblings().find('.submenu').slideUp();
/* begin change */
      $(this).parent().siblings().find('.fl').removeClass('open');       
      if($fl.hasClass('open')){
        $fl.removeClass('open');
      }else{
        $fl.addClass('open');
      }
/* end change */
      $fl.next(".submenu").slideToggle();
    });

});

.hamburger {
    position: relative;
    width: 40px;
    height: 30px;
    cursor: pointer;
    border: 5px solid transparent;
    float: right;
    margin-top: 35px
}
.hamburger span {
    width: 100%;
    height: 2px;
    background: #08509e;
    display: block;
    position: absolute;
    right: 0;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.hamburger span.h-top {
    top: 0
}
.hamburger span.h-bottom {
    bottom: 0;
    width: 27px
}
.hamburger span.h-middle {
    top: 50%;
    margin-top: -1px;
    width: 25px
}
.hamburger.h-active span {
    width: 100%
}
.hamburger.h-active span.h-top {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 50%;
    margin-top: -1px
}
.hamburger.h-active span.h-middle {
    -webkit-transform: translateX(-30px);
    -moz-transform: translateX(-30px);
    -ms-transform: translateX(-30px);
    -o-transform: translateX(-30px);
    transform: translateX(-30px);
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0
}
.hamburger.h-active span.h-bottom {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    bottom: 50%;
    margin-bottom: -1px
}

.bottombar {
    background-color: #08509e
}
.main-nav>ul {
    padding: 0;
    margin: 0;
    list-style: none
}
.main-nav>ul>li {
    display: inline-block;
    position: relative;
    margin-left: -4px;
    padding-right: 15px
}
.main-nav>ul>li+li {
    padding: 0 15px
}
.main-nav>ul>li>a {
    text-transform: uppercase;
    display: block;
    text-decoration: none;
    color: #000;
    line-height: 45px;
    font-size: 16px;
    position: relative;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.main-nav>ul>li:hover>a {
    color: #00b7d7
}
.submenu {
    position: absolute;
    left: 0;
    top: auto;
    right: 0;
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: 0;
    padding: 15px;
    background: #fff;
    border: 1px solid #f7f7f7;
    -webkit-border-radius: 0 0 3px 3px;
    -moz-border-radius: 0 0 3px 3px;
    -ms-border-radius: 0 0 3px 3px;
    -o-border-radius: 0 0 3px 3px;
    border-radius: 0 0 3px 3px;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    visibility: hidden;
    z-index: 9999;
    -webkit-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -webkit-transform: translateY(20px);
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -o-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li {
    display: block;
    margin: 0 -15px
}
.submenu>li a {
    display: block;
    padding: 10px 15px;
    color: #666;
    line-height: 1;
    font-size: 14px;
    text-decoration: none;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li a:hover {
    background: #f7f7f7;
    color: #08509e
}
/* begin change */
.main-nav .fl:after {
    content: "+"; 
    width: 30px;
    font-size: 20px;
    line-height: 35px;
    text-align: center;
    color: #fff;
    font-style: normal;
    position: absolute;
    right: 5px;
    top: 0;
    z-index: 999;
    display: none
}
.main-nav .fl.open:after {
  content: "-";
}
/* end change */
.main-nav .fl:before {
    font-size: 14px;
    text-align: center;
    line-height: 35px
}
.main-nav>ul>li+li .submenu {
    left: 25px
}
.main-nav>ul>li:hover .submenu {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    visibility: visible;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
    opacity: 1
}
.content-block {
    padding: 70px 0;
    position: relative
}
.slideInUp {
    visibility: hidden;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    -webkit-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    -ms-transform: translate3d(0, 30px, 0);
    -o-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
    -webkit-transition: all 1s ease-out;
    -moz-transition: all 1s ease-out;
    -o-transition: all 1s ease-out;
    transition: all 1s ease-out
}
.is-active .slideInUp {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    -o-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
}
.slideInUp2 {
    -webkit-transition-delay: .3s;
    -moz-transition-delay: .3s;
    -o-transition-delay: .3s;
    transition-delay: .3s
}

@media (min-width:980px) {
    .hamburger {
        display:none;
    }
}
@media (max-width: 980px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        padding: 20px;
        z-index: 99999;
        height: 100%;
        overflow: auto;
        background: #000;
        -webkit-overflow-scrolling: touch;
        -webkit-transform: translateX(-250px);
        -moz-transform: translateX(-250px);
        -ms-transform: translateX(-250px);
        -o-transform: translateX(-250px);
        transform: translateX(-250px);
        -webkit-transition: -webkit-transform .3s ease-in;
        -moz-transition: -moz-transform .3s ease-in;
        -o-transition: -o-transform .3s ease-in;
        transition: transform 0.3s ease-in
    }
    .main-nav.slidenav {
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
        transform: translateX(0)
    }
    .main-nav>ul {
        float: none
    }
    .main-nav>ul>li {
        display: block;
        padding: 0 !important;
        margin-left: 0
    }
    .main-nav>ul>li>a {
        font-size: 14px;
        color: #fff;
        line-height: 35px
    }
    .main-nav .fl:after {
        display: block;
        line-height: 35px
    }
    .submenu {
        position: static;
        min-width: 200px;
        background: transparent;
        border: none;
        padding: 5px 15px 5px 25px;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        visibility: visible;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        box-shadow: none;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
        transform: none;
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none;
        display: none
    }
    .submenu>li a {
        display: block;
        padding: 10px 0;
        color: #666;
        line-height: 0.8;
        font-size: 14px;
        color: #ccc;
        text-decoration: none;
        -webkit-transition: all .3s;
        -moz-transition: all .3s;
        -o-transition: all .3s;
        transition: all 0.3s
    }
    .submenu>li a:hover {
        background: transparent;
        color: #08509e
    }
    .slideInUp {
        visibility: visible;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0);
        -moz-transform: translate3d(0, 0, 0);
        -ms-transform: translate3d(0, 0, 0);
        -o-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none
    }
}

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<a href="javascript:void(0)" class="hidden-lg hamburger">
  <span class="h-top"></span>
  <span class="h-middle"></span>
  <span class="h-bottom"></span>
</a>
    
<nav class="main-nav">
  <ul>
    <li>
      <a href="#" class="fl">ABOUT US</a>
      <ul class="submenu">
        <li><a href="mission-statement.php">Mission Statement</a></li>
        <li><a href="participating-dentists.php">Participating Dentists</a></li>
        <li><a href="services.php">Services</a></li>
      </ul>          
    </li>
    <li>
      <a href="#" class="fl">PATIENT</a> 
      <ul class="submenu">
        <li><a href="medical-history-forms.php">Medical History Forms</a></li>
        <li><a href="before-surgery.php">Before Surgery</a></li>
        <li><a href="after-surgery.php">After Surgery</a></li>
        <li><a href="children-and-special-needs-adults.php">Children and Special Needs Adults</a></li>
        <li><a href="privacy.php">Privacy</a></li>
        <li><a href="rights-and-responsibilities.php">Rights and Responsibilities</a></li>
        <li><a href="financial-information.php">Financial Information</a></li>
      </ul>             
    </li>
    <li>
      <a href="javascript:void(0)" class="fl">INFORMATION</a>
      <ul class="submenu">
        <li><a href="privileging-criteria.php">Privileging Criteria</a></li>
        <li><a href="privileging-board-members.php">Privileging Board Members</a></li>
        <li><a href="privileging-criteria.php#reqInfo">Request for Information</a></li>              
      </ul> 
    </li>
    <li><a href="map-and-directions.php">MAP &amp; DIRECTIONS</a></li>
    <li><a href="news.php">NEWS</a></li>
    <li><a href="employment.php">EMPLOYMENT</a></li>                  
    <li><a href="#">CONTACT US</a></li>
  </ul>
  <div class="mob-login hidden-lg">
    <a href="#" class="btn btn-outline">LOGIN</a>
  </div>
</nav>

$(document).ready(function(){   
    if ($(window).width() < 980) {
      // mobile menu
      $('.hamburger').click(function (event) {
        $(this).toggleClass('h-active');
        $('.main-nav').toggleClass('slidenav');
      });

      $('.header-home .main-nav ul li  a').click(function (event) {
        $('.hamburger').removeClass('h-active');
        $('.main-nav').removeClass('slidenav');
      });
    }


    $(".main-nav .fl").on('click', function(event) {
      event.preventDefault();
      var $fl = $(this);
      $(this).parent().siblings().find('.submenu').slideUp();
/* begin change */
      $(this).parent().siblings().find('.fl').removeClass('open');       
      if($fl.hasClass('open')){
        $fl.removeClass('open');
      }else{
        $fl.addClass('open');
      }
/* end change */
      $fl.next(".submenu").slideToggle();
    });

});

.hamburger {
    position: relative;
    width: 40px;
    height: 30px;
    cursor: pointer;
    border: 5px solid transparent;
    float: right;
    margin-top: 35px
}
.hamburger span {
    width: 100%;
    height: 2px;
    background: #08509e;
    display: block;
    position: absolute;
    right: 0;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.hamburger span.h-top {
    top: 0
}
.hamburger span.h-bottom {
    bottom: 0;
    width: 27px
}
.hamburger span.h-middle {
    top: 50%;
    margin-top: -1px;
    width: 25px
}
.hamburger.h-active span {
    width: 100%
}
.hamburger.h-active span.h-top {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 50%;
    margin-top: -1px
}
.hamburger.h-active span.h-middle {
    -webkit-transform: translateX(-30px);
    -moz-transform: translateX(-30px);
    -ms-transform: translateX(-30px);
    -o-transform: translateX(-30px);
    transform: translateX(-30px);
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0
}
.hamburger.h-active span.h-bottom {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    bottom: 50%;
    margin-bottom: -1px
}

.bottombar {
    background-color: #08509e
}
.main-nav>ul {
    padding: 0;
    margin: 0;
    list-style: none
}
.main-nav>ul>li {
    display: inline-block;
    position: relative;
    margin-left: -4px;
    padding-right: 15px
}
.main-nav>ul>li+li {
    padding: 0 15px
}
.main-nav>ul>li>a {
    text-transform: uppercase;
    display: block;
    text-decoration: none;
    color: #000;
    line-height: 45px;
    font-size: 16px;
    position: relative;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.main-nav>ul>li:hover>a {
    color: #00b7d7
}
.submenu {
    position: absolute;
    left: 0;
    top: auto;
    right: 0;
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: 0;
    padding: 15px;
    background: #fff;
    border: 1px solid #f7f7f7;
    -webkit-border-radius: 0 0 3px 3px;
    -moz-border-radius: 0 0 3px 3px;
    -ms-border-radius: 0 0 3px 3px;
    -o-border-radius: 0 0 3px 3px;
    border-radius: 0 0 3px 3px;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    visibility: hidden;
    z-index: 9999;
    -webkit-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -webkit-transform: translateY(20px);
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -o-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li {
    display: block;
    margin: 0 -15px
}
.submenu>li a {
    display: block;
    padding: 10px 15px;
    color: #666;
    line-height: 1;
    font-size: 14px;
    text-decoration: none;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li a:hover {
    background: #f7f7f7;
    color: #08509e
}
/* begin change */
.main-nav .fl:after {
    content: "+"; 
    width: 30px;
    font-size: 20px;
    line-height: 35px;
    text-align: center;
    color: #fff;
    font-style: normal;
    position: absolute;
    right: 5px;
    top: 0;
    z-index: 999;
    display: none
}
.main-nav .fl.open:after {
  content: "-";
}
/* end change */
.main-nav .fl:before {
    font-size: 14px;
    text-align: center;
    line-height: 35px
}
.main-nav>ul>li+li .submenu {
    left: 25px
}
.main-nav>ul>li:hover .submenu {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    visibility: visible;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
    opacity: 1
}
.content-block {
    padding: 70px 0;
    position: relative
}
.slideInUp {
    visibility: hidden;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    -webkit-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    -ms-transform: translate3d(0, 30px, 0);
    -o-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
    -webkit-transition: all 1s ease-out;
    -moz-transition: all 1s ease-out;
    -o-transition: all 1s ease-out;
    transition: all 1s ease-out
}
.is-active .slideInUp {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    -o-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
}
.slideInUp2 {
    -webkit-transition-delay: .3s;
    -moz-transition-delay: .3s;
    -o-transition-delay: .3s;
    transition-delay: .3s
}

@media (min-width:980px) {
    .hamburger {
        display:none;
    }
}
@media (max-width: 980px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        padding: 20px;
        z-index: 99999;
        height: 100%;
        overflow: auto;
        background: #000;
        -webkit-overflow-scrolling: touch;
        -webkit-transform: translateX(-250px);
        -moz-transform: translateX(-250px);
        -ms-transform: translateX(-250px);
        -o-transform: translateX(-250px);
        transform: translateX(-250px);
        -webkit-transition: -webkit-transform .3s ease-in;
        -moz-transition: -moz-transform .3s ease-in;
        -o-transition: -o-transform .3s ease-in;
        transition: transform 0.3s ease-in
    }
    .main-nav.slidenav {
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
        transform: translateX(0)
    }
    .main-nav>ul {
        float: none
    }
    .main-nav>ul>li {
        display: block;
        padding: 0 !important;
        margin-left: 0
    }
    .main-nav>ul>li>a {
        font-size: 14px;
        color: #fff;
        line-height: 35px
    }
    .main-nav .fl:after {
        display: block;
        line-height: 35px
    }
    .submenu {
        position: static;
        min-width: 200px;
        background: transparent;
        border: none;
        padding: 5px 15px 5px 25px;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        visibility: visible;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        box-shadow: none;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
        transform: none;
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none;
        display: none
    }
    .submenu>li a {
        display: block;
        padding: 10px 0;
        color: #666;
        line-height: 0.8;
        font-size: 14px;
        color: #ccc;
        text-decoration: none;
        -webkit-transition: all .3s;
        -moz-transition: all .3s;
        -o-transition: all .3s;
        transition: all 0.3s
    }
    .submenu>li a:hover {
        background: transparent;
        color: #08509e
    }
    .slideInUp {
        visibility: visible;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0);
        -moz-transform: translate3d(0, 0, 0);
        -ms-transform: translate3d(0, 0, 0);
        -o-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none
    }
}

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<a href="javascript:void(0)" class="hidden-lg hamburger">
  <span class="h-top"></span>
  <span class="h-middle"></span>
  <span class="h-bottom"></span>
</a>
    
<nav class="main-nav">
  <ul>
    <li>
      <a href="#" class="fl">ABOUT US</a>
      <ul class="submenu">
        <li><a href="mission-statement.php">Mission Statement</a></li>
        <li><a href="participating-dentists.php">Participating Dentists</a></li>
        <li><a href="services.php">Services</a></li>
      </ul>          
    </li>
    <li>
      <a href="#" class="fl">PATIENT</a> 
      <ul class="submenu">
        <li><a href="medical-history-forms.php">Medical History Forms</a></li>
        <li><a href="before-surgery.php">Before Surgery</a></li>
        <li><a href="after-surgery.php">After Surgery</a></li>
        <li><a href="children-and-special-needs-adults.php">Children and Special Needs Adults</a></li>
        <li><a href="privacy.php">Privacy</a></li>
        <li><a href="rights-and-responsibilities.php">Rights and Responsibilities</a></li>
        <li><a href="financial-information.php">Financial Information</a></li>
      </ul>             
    </li>
    <li>
      <a href="javascript:void(0)" class="fl">INFORMATION</a>
      <ul class="submenu">
        <li><a href="privileging-criteria.php">Privileging Criteria</a></li>
        <li><a href="privileging-board-members.php">Privileging Board Members</a></li>
        <li><a href="privileging-criteria.php#reqInfo">Request for Information</a></li>              
      </ul> 
    </li>
    <li><a href="map-and-directions.php">MAP &amp; DIRECTIONS</a></li>
    <li><a href="news.php">NEWS</a></li>
    <li><a href="employment.php">EMPLOYMENT</a></li>                  
    <li><a href="#">CONTACT US</a></li>
  </ul>
  <div class="mob-login hidden-lg">
    <a href="#" class="btn btn-outline">LOGIN</a>
  </div>
</nav>

$(document).ready(function(){   
    if ($(window).width() < 980) {
      // mobile menu
      $('.hamburger').click(function (event) {
        $(this).toggleClass('h-active');
        $('.main-nav').toggleClass('slidenav');
      });

      $('.header-home .main-nav ul li  a').click(function (event) {
        $('.hamburger').removeClass('h-active');
        $('.main-nav').removeClass('slidenav');
      });
    }


    $(".main-nav .fl").on('click', function(event) {
      event.preventDefault();
      var $fl = $(this);
      $(this).parent().siblings().find('.submenu').slideUp();
/* begin change */
      $(this).parent().siblings().find('.fl').removeClass('open');       
      if($fl.hasClass('open')){
        $fl.removeClass('open');
      }else{
        $fl.addClass('open');
      }
/* end change */
      $fl.next(".submenu").slideToggle();
    });

});

.hamburger {
    position: relative;
    width: 40px;
    height: 30px;
    cursor: pointer;
    border: 5px solid transparent;
    float: right;
    margin-top: 35px
}
.hamburger span {
    width: 100%;
    height: 2px;
    background: #08509e;
    display: block;
    position: absolute;
    right: 0;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.hamburger span.h-top {
    top: 0
}
.hamburger span.h-bottom {
    bottom: 0;
    width: 27px
}
.hamburger span.h-middle {
    top: 50%;
    margin-top: -1px;
    width: 25px
}
.hamburger.h-active span {
    width: 100%
}
.hamburger.h-active span.h-top {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 50%;
    margin-top: -1px
}
.hamburger.h-active span.h-middle {
    -webkit-transform: translateX(-30px);
    -moz-transform: translateX(-30px);
    -ms-transform: translateX(-30px);
    -o-transform: translateX(-30px);
    transform: translateX(-30px);
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0
}
.hamburger.h-active span.h-bottom {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    bottom: 50%;
    margin-bottom: -1px
}

.bottombar {
    background-color: #08509e
}
.main-nav>ul {
    padding: 0;
    margin: 0;
    list-style: none
}
.main-nav>ul>li {
    display: inline-block;
    position: relative;
    margin-left: -4px;
    padding-right: 15px
}
.main-nav>ul>li+li {
    padding: 0 15px
}
.main-nav>ul>li>a {
    text-transform: uppercase;
    display: block;
    text-decoration: none;
    color: #000;
    line-height: 45px;
    font-size: 16px;
    position: relative;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.main-nav>ul>li:hover>a {
    color: #00b7d7
}
.submenu {
    position: absolute;
    left: 0;
    top: auto;
    right: 0;
    min-width: 200px;
    list-style: none;
    margin: 0;
    padding: 0;
    padding: 15px;
    background: #fff;
    border: 1px solid #f7f7f7;
    -webkit-border-radius: 0 0 3px 3px;
    -moz-border-radius: 0 0 3px 3px;
    -ms-border-radius: 0 0 3px 3px;
    -o-border-radius: 0 0 3px 3px;
    border-radius: 0 0 3px 3px;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    visibility: hidden;
    z-index: 9999;
    -webkit-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    box-shadow: 2px 5px 10px rgba(0, 0, 0, 0.3);
    -webkit-transform: translateY(20px);
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -o-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li {
    display: block;
    margin: 0 -15px
}
.submenu>li a {
    display: block;
    padding: 10px 15px;
    color: #666;
    line-height: 1;
    font-size: 14px;
    text-decoration: none;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -o-transition: all .3s;
    transition: all 0.3s
}
.submenu>li a:hover {
    background: #f7f7f7;
    color: #08509e
}
/* begin change */
.main-nav .fl:after {
    content: "+"; 
    width: 30px;
    font-size: 20px;
    line-height: 35px;
    text-align: center;
    color: #fff;
    font-style: normal;
    position: absolute;
    right: 5px;
    top: 0;
    z-index: 999;
    display: none
}
.main-nav .fl.open:after {
  content: "-";
}
/* end change */
.main-nav .fl:before {
    font-size: 14px;
    text-align: center;
    line-height: 35px
}
.main-nav>ul>li+li .submenu {
    left: 25px
}
.main-nav>ul>li:hover .submenu {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    visibility: visible;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
    opacity: 1
}
.content-block {
    padding: 70px 0;
    position: relative
}
.slideInUp {
    visibility: hidden;
    filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
    opacity: 0;
    -webkit-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    -ms-transform: translate3d(0, 30px, 0);
    -o-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
    -webkit-transition: all 1s ease-out;
    -moz-transition: all 1s ease-out;
    -o-transition: all 1s ease-out;
    transition: all 1s ease-out
}
.is-active .slideInUp {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    -o-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
}
.slideInUp2 {
    -webkit-transition-delay: .3s;
    -moz-transition-delay: .3s;
    -o-transition-delay: .3s;
    transition-delay: .3s
}

@media (min-width:980px) {
    .hamburger {
        display:none;
    }
}
@media (max-width: 980px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        padding: 20px;
        z-index: 99999;
        height: 100%;
        overflow: auto;
        background: #000;
        -webkit-overflow-scrolling: touch;
        -webkit-transform: translateX(-250px);
        -moz-transform: translateX(-250px);
        -ms-transform: translateX(-250px);
        -o-transform: translateX(-250px);
        transform: translateX(-250px);
        -webkit-transition: -webkit-transform .3s ease-in;
        -moz-transition: -moz-transform .3s ease-in;
        -o-transition: -o-transform .3s ease-in;
        transition: transform 0.3s ease-in
    }
    .main-nav.slidenav {
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
        transform: translateX(0)
    }
    .main-nav>ul {
        float: none
    }
    .main-nav>ul>li {
        display: block;
        padding: 0 !important;
        margin-left: 0
    }
    .main-nav>ul>li>a {
        font-size: 14px;
        color: #fff;
        line-height: 35px
    }
    .main-nav .fl:after {
        display: block;
        line-height: 35px
    }
    .submenu {
        position: static;
        min-width: 200px;
        background: transparent;
        border: none;
        padding: 5px 15px 5px 25px;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        visibility: visible;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        box-shadow: none;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
        transform: none;
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none;
        display: none
    }
    .submenu>li a {
        display: block;
        padding: 10px 0;
        color: #666;
        line-height: 0.8;
        font-size: 14px;
        color: #ccc;
        text-decoration: none;
        -webkit-transition: all .3s;
        -moz-transition: all .3s;
        -o-transition: all .3s;
        transition: all 0.3s
    }
    .submenu>li a:hover {
        background: transparent;
        color: #08509e
    }
    .slideInUp {
        visibility: visible;
        filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
        opacity: 1;
        -webkit-transform: translate3d(0, 0, 0);
        -moz-transform: translate3d(0, 0, 0);
        -ms-transform: translate3d(0, 0, 0);
        -o-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        transition: none
    }
}

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<a href="javascript:void(0)" class="hidden-lg hamburger">
  <span class="h-top"></span>
  <span class="h-middle"></span>
  <span class="h-bottom"></span>
</a>
    
<nav class="main-nav">
  <ul>
    <li>
      <a href="#" class="fl">ABOUT US</a>
      <ul class="submenu">
        <li><a href="mission-statement.php">Mission Statement</a></li>
        <li><a href="participating-dentists.php">Participating Dentists</a></li>
        <li><a href="services.php">Services</a></li>
      </ul>          
    </li>
    <li>
      <a href="#" class="fl">PATIENT</a> 
      <ul class="submenu">
        <li><a href="medical-history-forms.php">Medical History Forms</a></li>
        <li><a href="before-surgery.php">Before Surgery</a></li>
        <li><a href="after-surgery.php">After Surgery</a></li>
        <li><a href="children-and-special-needs-adults.php">Children and Special Needs Adults</a></li>
        <li><a href="privacy.php">Privacy</a></li>
        <li><a href="rights-and-responsibilities.php">Rights and Responsibilities</a></li>
        <li><a href="financial-information.php">Financial Information</a></li>
      </ul>             
    </li>
    <li>
      <a href="javascript:void(0)" class="fl">INFORMATION</a>
      <ul class="submenu">
        <li><a href="privileging-criteria.php">Privileging Criteria</a></li>
        <li><a href="privileging-board-members.php">Privileging Board Members</a></li>
        <li><a href="privileging-criteria.php#reqInfo">Request for Information</a></li>              
      </ul> 
    </li>
    <li><a href="map-and-directions.php">MAP &amp; DIRECTIONS</a></li>
    <li><a href="news.php">NEWS</a></li>
    <li><a href="employment.php">EMPLOYMENT</a></li>                  
    <li><a href="#">CONTACT US</a></li>
  </ul>
  <div class="mob-login hidden-lg">
    <a href="#" class="btn btn-outline">LOGIN</a>
  </div>
</nav>