<!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>
<style type="text/css">
* {
margin:0px;
padding:0px;
border:0px;
}
#main {
width:400px;
height:200px;
background-color:red;
}
#mleft {
width:200px;
height:200px;
float:left;
background-color:blue;
}
#mright {
width:200px;
height:200px;
background-color:pink;
}
</style>
</head>
<body>
<div id="main">
<div id="mleft">left</div>
<div id="mright">right</div>
</div>
</body>
</html>
