Fri, 16 Jan 2015 18:13:44 +0100
Integrate suggestion from review to improve consistency with existing code.
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <style type="text/css">
5 #a {
6 background-color: green;
7 margin-bottom: 20px;
8 height: 20px;
9 }
10 #b {
11 background-color: green;
12 margin-top: 10px;
13 }
14 #b div {
15 height: 20px;
16 margin-top: 40px;
17 }
18 </style>
19 </head>
20 <body>
21 <div id="a">
22 </div>
23 <div id="b">
24 <div></div>
25 </div>
26 </body>
27 </html>