<!DOCTYPE html>
<html>
<head>
<title>CSS Flexible Box Test: align-content property - center</title>
<link rel="author" title="haosdent" href="mailto:[email protected]">
<style type="text/css">
.container {
position: relative;
height: 6em;
width: 20em;
background: red;
margin: 1em;
border: 1px solid black;
}
span:nth-child(3), span:nth-child(4) {
margin: 2em 1em;
}
span {
height: 2em;
display: inline-block;
background: green;
color: white;
margin: 0 1em;
width: 8em;
float: left;
}
</style>
</head>
<body>
<p>The test passed if you see a centered 2*2 table.</p>
<div class="container">
<span>first</span>
<span>second</span>
<span>third</span>
<span>forth</span>
</div>
</body>
</html>