我们总能看见这样的重置样式：
1 *{ 2 padding:0; 3 margin: 0; 4 }
强烈不推荐！！！
推荐重置样式示例：部分内容可进行相应调整！
1 /* reset */ 2 html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu{margin:0;padding:0;} 3 header,footer,section,article,aside,nav,hgroup,address,figure,figcaption,menu,details{display:block;} 4 table{border-collapse:collapse;border-spacing:0;} 5 caption,th{text-align:left;font-weight:normal;} 6 html,body,fieldset,img,iframe,abbr{border:0;} 7 i,cite,em,var,address,dfn{font-style:normal;} 8 [hidefocus],summary{outline:0;} 9 li{list-style:none;} 10 h1,h2,h3,h4,h5,h6,small{font-size:100%;} 11 sup,sub{font-size:83%;} 12 pre,code,kbd,samp{font-family:inherit;} 13 q:before,q:after{content:none;} 14 textarea{overflow:auto;resize:none;} 15 label,summary{cursor:default;} 16 a,button{cursor:pointer;} 17 h1,h2,h3,h4,h5,h6,em,strong,b{font-weight:bold;} 18 del,ins,u,s,a,a:hover{text-decoration:none;} 19 body,textarea,input,button,select,keygen,legend{font:12px/1.14 arial,5b8b4f53;color:#333;outline:0;} 20 body{background:#fff;} 21 a,a:hover{color:#333;}
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