前端PC页面 basic.css

我在使用的basic.css，有什么不足之处，希望大家指出。

 

 1 /*basic.css - Written by douchaoyang in September 2015*/
 2 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;}
 3 body,button,input,select,textarea{font-size:12px;font-family:"Microsoft Yahei",arial;}
 4 em,strong,th,i{font-style:normal;font-weight:normal;}
 5 h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
 6 a{text-decoration:none;cursor:pointer;outline:none;}
 7 table{border-collapse:collapse;border-spacing:0;}
 8 ol,ul,li{list-style:none;}
 9 fieldset,img{border:0;}
10 .clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;overflow:hidden;}
11 .clearfix{*zoom:1;}
12 /*basic end*/