4 <meta http-equiv="Content-type" content="text/html; charset=utf-8">
5 <style type="text/css" media="screen">
8 -webkit-box-sizing: border-box;
14 background-color: green;
17 .opacity { opacity: .5; }
18 .a { top: 0px; left: 0px;}
19 .b { top: 200px; left: 200px;}
20 .c { top: 200px; left: 0px;}
21 .d { top: 0px; left: 200px;}
22 * { margin: 0; padding: 0; }
24 transform: translateZ(0);
30 <div class="solid a">1</div>
31 <div class="solid b">2</div>
32 <div class="solid c">3</div>
33 <div class="solid d"></div>