初始化html的reset.css文件

<link rel="stylesheet" href="reset.css" type="text/css" >

@charset "utf-8";

/* CSS Document */
body,h1,h2,h3,h4,h5,h6,p,dl,dd,ul,ol,form,input,textarea,th,td,select{ margin:0; padding:0;}
em{ font-style:normal;}
li{ list-style:none;}
a{ text-decoration:none;}
img{ border:none; vertical-align:top;}
table{ border-collapse:collapse;}
input,textarea{ outline:none;}
textarea{ resize:none; overflow:auto;}
body{ font:12px "微软雅黑";}