清除浮动和样式重置快捷代码

清除浮动

clear{     overflow: auto/hidden; zoom: 1; }//zoom: 1; 是在处理兼容性问题 

.clear:after{display:block;clear:both;content:"";visibility:hidden;height:0} 
.clear{zoom:1} 

样式重置

body,h1,h2,h3,h4,h5,h6,dl,dt,dd,ul,ol,li,th,td,p,blockquote,pre,form,fieldset,legend,input,button,textarea,hr{margin:0;padding:0}
li{list-style:none}
a{text-decoration:none}
img{vertical-align:top;border:0px;}