Reset CSS

摘自《锋利的JQuery》

关于重置样式，可以参考Eric meyer的重置样式和YUI的重置样式

body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td{margin:0;padding:0;}
body,button,input,select,textarea{font:12px/1.5 tahoma,arial,\5b8b\4f53;}
address,cite,dfn,em,var{font-style:normal;}
code,kbd,pre,samp{font-family:courier new,curier,monospace;}
samll{font-size:12px;}
ul,ol{list-style:none;}
a{text-decoration:none;}
a:hover{text-decoration:none;}
sup{vertical-align:text-top;}
sub{vertical-align:text-bottom;}
legend{color:#000;}
fieldset,img{border:0;}
button,input,select,textarea{font-size:100%}
table{border-collapse:collapse;border-spacing:0;}
.clear{clear:both;float:none;height:0;overflow:hidden;}
html .hide{display:none;}

参考http://www.cnblogs.com/yizuierguo/archive/2009/07/15/1524106.html