【header】
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
body {
background: #ccc;
}
.tagline {
width: 60px;
margin: 5px;
}
.tagline h1 {
color: #fff;
background: #000;
padding: 4px 10px;
display: inline-block;
font-size: 20px;
line-height: 30px;
text-transform: uppercase;
}
</style>
</head>
<body>
<div class="tagline">
<h1>Oh</h1>
</div>
</body>
</html>
