CSS样式重置

/*  
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com 
Twitter: @rich_clark
*/

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
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,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

body {
    line-height: 1;
}

article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section {  
    display: block;
}

nav ul {
    list-style: none;
}

blockquote, q {
    quotes: none;
}

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

a {
    margin: 0;
    padding: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

/*  change colours to suit your needs  */
ins {
    background-color: #ff9;
    color: #000;
    text-decoration: none;
}

/*  change colours to suit your needs  */
mark {
    background-color: #ff9;
    color: #000;  
    font-style: italic;
    font-weight: bold;
}

del {
    text-decoration:  line-through;
}

abbr[title], dfn[title] {
    border-bottom: 1px dotted;
    cursor: help;
}

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

/*  change border colour to suit your needs  */
hr {
    display: block;
    height: 1px;
    border: 0;    
    border-top: 1px solid #cccccc;
    margin: 1em 0;
    padding: 0;
}

input, select {
    vertical-align: middle;
}