default values for box model properties

1body  - margin: 8px;
2
3h1 - margin-top: 0.67em;
4     margin-bottom: 0.67em;
5
6h2 - margin-top: 0.83em;
7     margin-bottom: 0.83em;
8
9h3 - margin-top: 1em;
10     margin-bottom: 1em;
11
12h4 - margin-top: 1.33em;
13     margin-bottom: 1.33em;
14
15h5 - margin-top: 1.67em;
16     margin-bottom: 1.67em;
17
18h6 - margin-top: 2.33em;
19     margin-bottom: 2.33em;
20
21p - margin-top: 1em;
22    margin-bottom: 1em;
23
24ol - margin-top: 1em;
25     margin-bottom: 1em;
26     padding-left: 40px;
27
28ul - margin-top: 1em;
29     margin-bottom: 1em;
30     padding-left: 40px;
31