Responsive means which is works on all devices, it is mobile friendly. and it's also good SEO & user interface.
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {box-sizing: border-box;}
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
.header {
overflow: hidden;
background-color: #f1f1f1;
padding: 20px 10px;
}
.header a {
float: left;
color: black;
text-align: center;
padding: 12px;
text-decoration: none;
font-size: 18px;
line-height: 25px;
border-radius: 4px;
}
.header a:hover {
background-color: #ddd;
color: black;
}
.header a.active {
background-color: dodgerblue;
color: white;
}
.header-right {
float: right;
}
@media screen and (max-width: 500px) {
.header a {
float: none;
display: block;
text-align: left;
}
.header-right {
float: none;
}
}
</style>
</head>
<body>
<div class="header">
<a href="#default" class="logo"><img src="logo.png"/></a>
<div class="header-right">
<a class="active" href="#home">Home</a>
<a href="#contact">Contact</a>
<a href="#about">About</a>
</div>
</div>
<div style="padding-left:20px">
<h5>Responsive Header</h5>
<p>Some sample content..</p>
</div>
</body>
</html>
check above code on mobile which shows different view of header , which is easy to user access.
