css的重置样式表分享:reset.css

/*

html5doctor.com Reset Stylesheet

Time:2020.8.4

Author: Zhenglin Li

*/

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;

    box-sizing:border-box;

}

body {

    line-height:1;

}

:focus {

    outline: 1;

}

article,aside,canvas,details,figcaption,figure,

footer,header,hgroup,menu,nav,section,summary {

    display:block;

}

ul {

    list-style:none;

}

blockquote, q {

    quotes:none;

}

blockquote:before, blockquote:after,

q:before, q:after {

    content:'';

    content:none;

}

a {

    margin:0;

    padding:0;

    border:0;

    font-size:100%;

    vertical-align:baseline;

    background:transparent;

}

ins {

    background-color:#ff9;

    color:#000;

    text-decoration:none;

}

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 #000;

    cursor:help;

}

table {

    border-collapse:collapse;

    border-spacing:0;

}

hr {

    display:block;

    height:1px;

    border:0; 

    border-top:1px solid #cccccc;

    margin:1em 0;

    padding:0;

}

input, select {

    vertical-align:middle;

}