<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
html, body {
height: 100%;
width: 100%;
font-size: 13px;
}
.parent {
background-color: grey;
height: 20%;
line-height: 1.6em;
font-size: 1.6em;
min-height: 1.6em;
position: relative;
}
.left, .right {
position: absolute;
top: 50%;
margin-top: -0.8em;
}
.left {
background-color: yellow;
padding-left: 20px;
left: 0;
}
.right {
background-color: red;
padding-right: 20px;
right: 0;
}
</style>
</head>
<body>
<div class="parent">
<div class="left">Blah left</div>
<div class="right">Blah right</div>
</div>
</body>
</html>
【header】
