CSS Reset para HTML5

reset.css

html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small,  strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	vertical-align: baseline;
}
body {
	line-height: 1;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
section, article, aside, header, footer, nav, dialog, figure {
	display:block;
}