css重置 CSS Reset（csslab）

[css]代码库

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, sub, sup, tt, var, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, dialog, figure, header, footer, hgroup, menu, nav, section, time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	font-weight: inherit;
	font-style: inherit;
	font-size: 100%;
}

article, aside, nav, section, dialog, figure, header, footer, hgroup { 
    display:block;
}

legend {
	display:none;
}

:focus {
	outline: 0;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
}

caption, th, td {
	text-align: left;
	font-weight: normal;
}

a img, iframe {
	border: none;
}

ul {
	list-style: none;
}

input, textarea, select, button {
	font-size: 100%;
	font-family: inherit;
}

input, select {
    vertical-align:middle;
}

select {
	margin: inherit;
}

button {
	border: 0;
	padding: 0;
	background: transparent;
	cursor: pointer;
}

/* Fixes incorrect placement of numbers in ol's in IE6/7 */
ol { margin-left:2em; }


/* ========================================= clearfix == */
.clearfix:after {
	content: ".";
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}

.clearfix {display: inline-block;}

* html .clearfix {height: 1%;}
.clearfix {display: block;}