常用的CSS Reset

/***************************{CSS Reset}*****************************/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td { background: transparent;
border: 0; margin: 0; padding: 0; vertical-align: baseline; font-size: 100%; font: inherit; -webkit-text-size-adjust: none; }
body { line-height: 1; }
table { border-collapse: collapse; border-spacing: 0; }
object, :focus { outline: none; }
article, aside, details, figcaption, figure, footer, header, hgroup, menu, 
nav, section /* HTML 5 */ { display: block; }
blockquote, q { quotes: none; }
blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; }
a img { border: none; }
input,button,textarea,select,optgroup,option{ font-size: 100%; font: inherit; }

/***************************{Common CSS Class}*****************************/
.al { text-align: left; }
.ar { text-align: right; }
.ac { text-align: center; }
.lc { margin: 0 auto; }
.fl, .il .fl { float: left; }
.fr, .il .fr { float: right; }
.fc, .il .fc { float: none; clear: both; }

.rel { position: relative; }
.abs { position: absolute; }

.il { list-style: none; }
.il li { float: left; }