经典的css reset代码 (reset.css)

<style>
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, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var,
u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas,
details, embed, figure, figcaption, footer, header, hgroup, menu, nav,
output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, footer, header, hgroup,
menu, nav, section {
display: block;
}

* {
word-wrap: break-word;
outline: none;
}

body {
line-height: 1;
}

ol, ul {
list-style: none;
}

blockquote, q {
quotes: none;
}

blockquote:before, blockquote:after, q:before, q:after {
content: '';
content: none;
}

table {
border-collapse: collapse;
border-spacing: 0;
}
</style>