CSS 常用代码
<link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssreset/reset-min.css"><link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssfonts/fonts-min.css"><link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/2.8.2r1/build/grids/grids-min.css"><link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/3.3.0/build/cssbase/base-min.css">
