JSFiddle - React, Tailwind, and code Playground

by Rajat Jha

HTML

<html>
<head>
<title>Menu</title>
<link href="mymenu.css" type="text/css" rel="stylesheet">	
</head>
<body>

<nav class="navigation">

  <ul class="mainmenu">

    <li><a href="">Home</a></li>
    <li><a href="">Cloths</a>
 <ul class="submenu">
      <li><a href="">Men's Wear</a></li>
        <li><a href="">Women's Wear</a></li>
        <li><a href="">Kids Wear</a></li>
</ul>
</li>
    <li><a href="">About</a></li>
    <li><a href="">Products</a>
      <ul class="submenu">
        <li><a href="">Tops</a></li>
        <li><a href="">Bottoms</a></li>
        <li><a href="">Footwear</a></li>
      </ul>
    </li>
    <li><a href="">Contact us</a></li>
  </ul>

</nav>
</body>
</html>

CSS

html, body {
    font-family: Arial, Helvetica, sans-serif;
    font-size:15px;
}

/* define a fixed width for the entire menu */
.navigation {
  width: 250px;
}

/* reset our lists to remove bullet points and padding */
.mainmenu, .submenu {
  list-style: none;
  padding: 0;
  margin: 0;

}

/* make ALL links (main and submenu) have padding and background color */
.mainmenu a {
  display: block;
  background-color: red;
  text-decoration: none;
  padding: 15px;
  color: white;
 border-radius: 5px;
line-height:20px;
box-shadow: 5px 5px 5px #888888;
}

/* add hover behaviour */
.mainmenu a:hover {
    background-color: lightskyblue;
}


/* when hovering over a .mainmenu item,
  display the submenu inside it.
  we're changing the submenu's max-height from 0 to 200px;
*/

.mainmenu li:hover .submenu {
  display: block;
  max-height: 250px;
   cursor: auto;    
}

/*
  we now overwrite the background-color for .submenu links only.
  CSS reads down the page, so code at the bottom will overwrite the code at the top.
*/

.submenu a {
  background-color: lightgreen;
 cursor: auto;
}

/* hover behaviour for links inside .submenu */
.submenu a:hover {
  background-color: blue;
 cursor: auto;
}

/* this is the initial state of all submenus.
  we set it to max-height: 0, and hide the overflowed content.
*/
.submenu {
  overflow: hidden;
  max-height: 0;
  -webkit-transition: all 0.5s ease-out;
box-shadow: 5px 5px 5px #888888;
 cursor: auto;
}