JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
      <li><a href="#" class="active">Home</a></li>
      <li><a href="#">work</a></li>
      <li><a href="#">Others</a></li>
</ul>

CSS

body {
     width: 100%;
    line-height: 1;
}
header {
    background: #fff;
    width: 100%;
    height: 76px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}



a.active {
  color: red;
}
nav {
    float: right;
    padding: 20px;
}
ul {
    list-style: none;
}
li {
    display: inline-block;
    float: left;
    padding: 10px
}
.current {
    color: #333333;
}

@media only screen and (max-width : 640px) {
 header {
 position: absolute;
}
 #menu-icon {
 display:inline-block;
}
 nav ul, nav:active ul {
 display: none;
 position: absolute;
 padding: 20px;
 background: #fff;
 border: 5px solid #444;
 right: 20px;
 top: 60px;
 width: 50%;
 border-radius: 4px 0 4px 4px;
}
 nav li {
 text-align: center;
 width: 100%;
 padding: 10px 0;
 margin: 0;
}
 nav:hover ul {
 display: block;
}

}

JavaScript

$(document).ready(function(e) {   
    $("ul li a").click(function(){
        $("ul li a").removeClass("active");
        $(this).addClass("active");
    });
});