sidenav

<div id="mySidenav" class="sidenav">
            <a href="javascript:void(0)" class="closebtn" onclick="closeNav()">&times;</a>
            <a href="#"><i class="fa fa-bolt" style="margin-right:10px;" aria-hidden="true"></i>Breaking News</a>
            <a href="#"><i class="fa fa-newspaper-o" style="margin-right:10px;" aria-hidden="true"></i>World News</a>
            <a href="#"><i class="fa fa-laptop" style="margin-right:10px;" aria-hidden="true"></i>Tech News</a>
            <a href="#"><i class="fa fa-shopping-bag" style="margin-right:10px;" aria-hidden="true"></i>Fashion News</a>
            <a href="#"><i class="fa fa-briefcase" style="margin-right:10px;" aria-hidden="true"></i>Business News</a>
            <a href="#"><i class="fa fa-bank" style="margin-right:10px;" aria-hidden="true"></i>Stock Market News</a>
            <a href="#"><i class="fa fa-soccer-ball-o" style="margin-right:10px;" aria-hidden="true"></i>Sports News</a>
        </div>
        <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
            <span style="font-size:30px;cursor:pointer;color:#fff;margin-right:5px;padding-right:5px;" onclick="openNav()">&#9776; </span>
            <a class="navbar-brand" href="#">Information Pool System</a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>


----------------------------------------------
<style>
body {
  font-family: "Lato", sans-serif;
}

.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidenav a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
  transition: 0.3s;
}

.sidenav a:hover {
  color: #f1f1f1;
}

.sidenav .closebtn {
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
}

#main {
  transition: margin-left .5s;
  padding: 16px;
}

@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}
}
</style>




--------------------------------------------------
<script>
function openNav() {
  document.getElementById("mySidenav").style.width = "250px";
  document.getElementById("main").style.marginLeft = "250px";
}

function closeNav() {
  document.getElementById("mySidenav").style.width = "0";
  document.getElementById("main").style.marginLeft= "0";
}
</script>