SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div id='float'>
    Float text. 
</div>
<div class='content'>
    Content text. 
</div>
<div class='content'>
    Content text. 
</div>

CSS

div#float {
    text-align: center;
    float: left;
    width: 150px;
    height: 300px;
    border: 1px solid blue;
    background: gold;
}
div.content {
    background: yellow;
    border: 1px solid  purple;
    height: 150px;
}