分享30个开发人员有用的CSS代码片段

 1 html, body, div, span, applet, object, iframe,
 2 h1, h2, h3, h4, h5, h6, p, blockquote, pre,
 3 a, abbr, acronym, address, big, cite, code,
 4 del, dfn, em, font, img, ins, kbd, q, s, samp,
 5 small, strike, strong, sub, sup, tt, var,
 6 b, u, i, center,
 7 dl, dt, dd, ol, ul, li,
 8 fieldset, form, label, legend,
 9 table, caption, tbody, tfoot, thead, tr, th, td {
10     margin: 0;
11     padding: 0;
12     border: 0;
13     outline: 0;
14     font-size: 100%;
15     vertical-align: baseline;
16     background: transparent;
17 }
18 
19 body {
20     line-height: 1;
21 }
22 
23 ol, ul {
24     list-style: none;
25 }
26 
27 blockquote, q {
28     quotes: none;