1<!DOCTYPE html>
2<html>
3<head>
4
5 <style>
6 body{ margin:0px }
7 div#middle > div{ float:left; width:100%; }
8 div#middle > div > div > img{ width:100%; }
9 </style>
10</head>
11
12<body>
13 <div id="middle">
14 <div>
15 <div>
16 <img src="example.jpg" alt="example">
17 </div>
18 </div>
19 </div>
20 </body>
21</html>