编写css样式之前需要初始化css样式,总结如下:
/* 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:;
padding:;
border:;
outline:;
font-size:%;
vertical-align:baseline;
background:transparent;
outline-style:none;/*FF*/
} body {
line-height:;
} a{
margin:;
padding:;
border:;
font-size:%;
vertical-align:baseline;
background:transparent; }
a:hover,a:focus{
text-decoration:none;
bblr:expression(this.onFocus=this.blur());/*IE*/
outline-style:none;/*FF*/
}
table {
border-collapse:collapse;
border-spacing:;
} input, select {
vertical-align:middle;
} /*css为clearfix,清除浮动*/
.clearfix::before,
.clearfix::after{
content: "";
height: ;
line-height: ;
display: block;
visibility: hidden;
clear: both;
}
.clearfix:after{clear:both;}
.clearfix{
*zoom:;/*IE/7/6*/
}