<!DOCTYPE html>
<style>
.container {
width: 200px;
height: 100px;
font: 100px/1 Ahem, sans-serif;
background-color: green;
margin-bottom: 50px;
color: green;
}
</style>
<body>
<p>If a shape on a stacked float does not affect the line, then the line should be affected by the shape on the previous stacked float.</p>
<p>You should see two green rectanges. There should be no red.</p>
<div class="container">
</div>
<div class="container">
</div>
</body>