<!DOCTYPE html>
<html>
<head>
<style>
#container {
color: green;
font: 100px/1 Ahem, sans-serif;
}
#shape-outside {
width: 100px;
height: 100px;
float: left;
background: blue;
background-repeat: no-repeat;
}
</style>
</head>
<body>
<p>You should see three green squares: above the blue square, to the blue square's right, and below the blue square.</p>
<div id="container">
X<br>
<div id="shape-outside"></div>
X<br>X
</div>
</body>
</html>