css reset初始化样式

原文：https://www.cnblogs.com/caojiayan/p/6343917.html

/* CSS Document */
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;
    outline-style:none;/*FF*/ 
}

body {
    line-height:1;
}
 
a{
    margin:0;
    padding:0;
    border:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
     
}
a:hover,a:focus{
    text-decoration:none;
    outline-style:none;/*FF*/ 
}

ul,li{
   list-style: none; 
}

table {
    border-collapse:collapse;
    border-spacing:0;
}
 
input, select {
    vertical-align:middle;
}

/*css为clearfloat，清除浮动*/
.clearfloat::before,
.clearfloat::after{
    content: "";
    height: 0;
    line-height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}
.clearfloat:after{clear:both;} 
.clearfloat{ 
    *zoom:1;/*IE/7/6*/
}

/* CSS Document */

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;

outline-style:none;/*FF*/

}

body {

line-height:1;

}

 

a{

margin:0;

padding:0;

border:0;

font-size:100%;

vertical-align:baseline;

background:transparent;

 

}

a:hover,a:focus{

text-decoration:none;

outline-style:none;/*FF*/

}

ul,li{

list-style: none;

}

table {

border-collapse:collapse;

border-spacing:0;

}

 

input, select {

vertical-align:middle;

}

/*css为clearfloat，清除浮动*/

.clearfloat::before,

.clearfloat::after{

content: "";

height: 0;

line-height: 0;

display: block;

visibility: hidden;

clear: both;

}

.clearfloat:after{clear:both;}

.clearfloat{

*zoom:1;/*IE/7/6*/

}