<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>flexbox | cleared box</title>
<link href="http://opera.com" rel="author" title="Opera Software" />
<link href="http://www.w3.org/TR/css-flexbox-1/#flex-containers" rel="help" />
<link href="reference/flexbox_box-clear-ref.xht" rel="match" />
<style>
#float {
background: #3366cc;
padding: 1em;
float: left;
}
#flex {
background: #ffcc00;
clear: both;
display: flex;
}
div div {
background: pink;
margin: 2em;
height: 4em;
}
</style>
</head><body><div id="float">damer</div>
<div id="flex">
<div>Yellow box should be below the blue box</div>
</div>
</body></html>