<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>4564</title>
<style type="text/css">
body{margin:0;padding:0}
.wrap{ width:100%; float:left}
.content{ height:100px;background:green; margin-left:100px}
.left{ width:100px; height:100px; background:red; float:left; margin-left:-100%}
</style>
</head>
<body>
<div class="wrap">
<div class="content">content</div>
</div>
<div class="left">aside</div>
ghuguygugyu
</body>
</html>
