CSS reset CSS重置，YAHOO的YUI CSS RESET
每一个浏览器都有自己默认的设置，基础CSS重置可以删除浏览器提供的HTML元素的不一致样式。这创造了一个可靠的平坦的基础。加载CSS重置，编写您的项目需要的显式CSS。
当浏览器在元素的margins,line-heights,padding这些赋值的时候。如果时刻都写入布局中，网站会显得很粗糙。
这个reset方式很简单，并且极其的好用。它覆盖了所有浏览器的默认值，并且使各个浏览器都使用同样的数值。大量的使用 *{margin:0;padding:0}的时代已经过去了。使用reset可以更加的深入程序逻辑中。
官网：https://yuilibrary.com/yui/docs/cssreset/
cssreset.css
未压缩版：http://yui.yahooapis.com/3.18.1/build/cssreset/cssreset.css
压缩版：
<link rel = “stylesheet” type = “text / css” href = “http://yui.yahooapis.com/3.18.1/build/cssreset/cssreset-min.css” >
/*
YUI 3.18.1 (build f7e7bcb)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
/*
TODO will need to remove settings on HTML since we can't namespace it.
TODO with the prefix, should I group by selector or property for weight savings?
*/
html{
color:#000;
background:#FFF;
}
/*
TODO remove settings on BODY since we can't namespace it.
*/
/*
TODO test putting a class on HEAD.
- Fails on FF.
*/
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td {
margin:0;
padding:0;
}
table {
border-collapse:collapse;
border-spacing:0;
}
fieldset,
img {
border:0;
}
/*
TODO think about hanlding inheritence differently, maybe letting IE6 fail a bit...
*/
address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
font-style:normal;
font-weight:normal;
}
ol,
ul {
list-style:none;
}
caption,
th {
text-align:left;
}
h1,
h2,
h3,
h4,
h5,
h6 {
font-size:100%;
font-weight:normal;
}
q:before,
q:after {
content:'';
}
abbr,
acronym {
border:0;
font-variant:normal;
}
/* to preserve line-height and selector appearance */
sup {
vertical-align:text-top;
}
sub {
vertical-align:text-bottom;
}
input,
textarea,
select {
font-family:inherit;
font-size:inherit;
font-weight:inherit;
*font-size:100%; /*to enable resizing for IE*/
}
/*because legend doesn't inherit in IE */
legend {
color:#000;
}
/* YUI CSS Detection Stamp */
#yui3-css-stamp.cssreset { display: none; }
