JSFiddle - React, Tailwind, and code Playground

by Nikita Rane

HTML

<header>
    <ul><li>Home</li>
  <li>About</li>
  <li>
    Portfolio
    <ul class="dropdown">
      <li>Web Design</li>
      <li>Web Development</li>
      <li>Illustrations</li>
    </ul>
  </li>
  <li>Blog</li>
  <li>Contact</li>
</ul>
</header>
<div class="container">
    <div class="left_container">
    </div>
    <div class="middle_container">
    </div>
    <div class="right_container">
    </div>
</div>
<footer>
</footer>

CSS

header{
width:100%;
    height:49px;
    position:fixed;
    background:#000;
    z-index: 999999;
}
.container{
    width:100%;
    position:relative;
    min-height:400px;
    padding-top: 50px
}
.left_container{
position:fixed;   
    width:30%;
    border-right:1px solid #000;
     min-height:400px;
    left:0px;
}
.middle_container{
  width:30%;  
     min-height:400px;
    float: left;
}
.right_container{
    position:fixed;
     width:30%;
     border-left:1px solid #000;
     min-height:400px;
    right:0px;
}
footer{
    position:fixed;
    height:30px;
    background:#000;
    width:100%;
    bottom:0px;
}
ul {
  text-align: left;
  display: inline;
  margin: 0;
  padding: 15px 4px 17px 0;
  list-style: none;
  -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  -moz-box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
}
ul li {
  font: bold 12px/18px sans-serif;
  display: inline-block;
  margin-right: -4px;
  position: relative;
  padding: 15px 20px;
  background: #fff;
  cursor: pointer;
 
}
ul li:hover {
  background: #555;
  color: #fff;
}
ul li ul.dropdown {
  padding: 0;
  position: absolute;
  top: 48px;
  left: 0;
  width: 150px;
display:none;
  opacity: 1;

}
ul li ul li { 
  background: #555; 
  display: block; 
  color: #fff;
  text-shadow: 0 -1px 0 #000;
}
ul li ul.dropdown li:hover { background: #666; }
ul li:hover ul.dropdown {
  display: block;
  opacity: 1;
  visibility: visible;
}