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 height: 20px;
7 background-color: green;
8 margin-bottom: 20px;
9 }
10 #b {
11 background-color: red;
12 padding-top: 10px;
13 }
14 #c {
15 background-color: green;
16 padding-top: 20px;
17 }
18 #d {
19 height: 20px;
20 background-color: blue;
21 }
22 </style>
23 </head>
24 <body>
25 <div id="a"></div>
26 <div id="b">
27 <div id="c">
28 <div id="d"></div>
29 </div>
30 </div>
31 </body>
32 </html>