CSS样式重置和清除(让不同浏览器显示效果一致

@charset "utf-8";
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, pre,
dl, dt, dd, ul, ol, li, th, td, div, span, img,
fieldset, lengend, button, input, select, textarea{margin: 0;padding: 0;}
/ color & background /
html{color:#000; background:#FFF;}
/ font /
body, button, input, select, textarea { / for ie /
font: 12px/18px Arial, Verdana, Microsoft YaHei;
}
/ fix center /
html,body {height: 100%;margin: 0 auto;}
/ h1~h6 /
h1 {font-size: 18px;}
h2 {font-size: 16px;}
h3 {font-size: 14px;}
h4, h5, h6 {font-size: 100%;}
/ a /
a { text-decoration: none; }
a:hover { text-decoration: underline; }
/ list /
ul,ol {list-style: none;}
/ img border /
fieldset,img{border: 0}
/ table /
table {border-collapse: collapse;border-spacing: 0;font:inherit;}
/ margin /
.alpha {margin-left: 0;}
.omega {margin-right: 0;}
/ float & clear /
.left{float:left;}
.right{float:right;}
.clear {clear: both;display: block;}
/ clearfix /
.clearfix:after{content:".";display:block;}
.clearfix{display:inline-table;}
/ Hides from IE-mac /
html .clearfix{height:1%;}
.clearfix{display:block;}
/ End hide from IE-mac /
+html .clearfix{min-height:1%;}/ IE7 /