Following is the code to create a dropdown navigation bar −
Example
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
.menu-btn {
background-color: #040008;
color: white;
padding: 16px;
font-size: 20px;
font-weight: bolder;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
border: none;
}
.dropdown-menu {
position: relative;
display: inline-block;
}
.menu-content {
display: none;
position: absolute;
background-color: #017575;
min-width: 160px;
z-index: 1;
}
nav{
background-color: #017575;
}
.links,.links-hidden{
display: inline-block;
color: rgb(255, 255, 255);
padding: 12px 16px;
text-decoration: none;
font-size: 18px;
font-weight: bold;
}
.links-hidden{
display: block;
}
.links{
display: inline-block;
}
.links-hidden:hover,.links:hover {
background-color: rgb(8, 107, 46);
}
.dropdown-menu:hover .menu-content {
display: block;
}
.dropdown-menu:hover .menu-btn {
background-color: #3e8e41;
}
</style>
</head>
<body>
<h2>Hover on the below dropdown button in navbar to open dropdown menu</h2>
<nav>
<a class="links" href="#">HOME</a>
<a class="links" href="#">EMPLOYEES</a>
<a class="links" href="#">CAREER</a>
<div class="dropdown-menu">
<button class="menu-btn">Open <</button>
<div class="menu-content">
<a class="links-hidden" href="#">Contact Us</a>
<a class="links-hidden" href="#">Visit Us</a>
<a class="links-hidden" href="#">About Us</a>
</div>
</div>
</nav>
</body>
</html>Output
The above code will produce the following output −

On hovering above the open button the following output will be produced −
