<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
.onediv{width:90px; height:50px;float:left;margin:0 0 0 5px; border:1px #000 solid; background:#FF0000}
.twodiv{width:90px; height:50px;float:left;margin:0 0 0 5px; border:1px #000 solid; background:#99CC00}
-->
</style></head>
<body><div class="onediv"></div><div class="twodiv"></div>
</body>
</html>
来源：https://www.cnblogs.com/yewei798/archive/2010/12/23/1915099.html