大网站CSS初始化

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前言

相同的元素在不同的浏览器中显示效果不同，为了避免这种情况，我们通过对css强制使所有元素一致，这个过程叫做CSS初始化。CSS代码之所以要初始化，是因为尽量减少各浏览器之间的兼容问题。学习大网站的CSS初始化代码，将对CSS初始化有更清楚的了解和学习，使学习的效率更高，快速提升。下面我们来一起学习淘宝，网易，腾讯，新浪官网的CSS初始化代码。

淘宝官网 

<style>
            blockquote,
            body,
            button,
            dd,dl,dt,
            fieldset,
            form,
            h1,h2,h3,h4,h5,h6,
            hr,
            input,
            legend,
            li,ol,p,
            pre,td,
            textarea,th,ul{
                margin: 0;
                padding: 0;
            }
            body,button,input,select,textarea{
                font: 12px/1.5 tahoma,arial,'Hiragino Sans GB',\5b8b\4f53,sans-serif;
            }
            h1,h2,h3,h4,h5,h6{
                font-size: 100%;
            }
            address,cite,dfn,em,var{
                font-style: normal;
            }
            code,kbd,pre,samp{
                font-family: ,"courier new",courier,monospace;
            }
            small{
                font-size: 12px;
            }
            ol,ul{
                list-style: none;
            }
            a{
                text-decoration: none;
            }
            a:hover{
                text-decoration: underline;
            }
            sup{
                vertical-align: text-top;
            }
            sub{
                vertical-align: text-bottom;
            }
            legend{
                color: #000;
            }
            fieldset,img{
                border: 0;
                display: block;
            }
            button,input,select,textarea{
                font-size:100%;
            }
            table{
                border-collapse: collapse;
                border-spacing: 0;
            }
        </style>

网易官网 

html {overflow-y:scroll;}
body {margin:0; padding:29px00; font:12px"\5B8B\4F53",sans-serif;background:#ffffff;}
div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,blockquote,p{padding:0; margin:0;}
table,td,tr,th{font-size:12px;}
li{list-style-type:none;}
img{vertical-align:top;border:0;}
ol,ul {list-style:none;}
h1,h2,h3,h4,h5,h6{font-size:12px; font-weight:normal;}
address,cite,code,em,th {font-weight:normal; font-style:normal;}

腾讯官网 

html {overflow-y:scroll;}
body {margin:0; padding:29px00; font:12px"\5B8B\4F53",sans-serif;background:#ffffff;}
div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,blockquote,p{padding:0; margin:0;}
table,td,tr,th{font-size:12px;}
li{list-style-type:none;}
img{vertical-align:top;border:0;}
ol,ul {list-style:none;}
h1,h2,h3,h4,h5,h6{font-size:12px; font-weight:normal;}
address,cite,code,em,th {font-weight:normal; font-style:normal;}

新浪官网 

body,ul,ol,li,p,h1,h2,h3,h4,h5,h6,form,fieldset,table,td,img,div{margin:0;padding:0;border:0;}
body{background:#fff;color:#333;font-size:12px; margin-top:5px;font-family:"SimSun","宋体","Arial Narrow";}
ul,ol{list-style-type:none;}
select,input,img,select{vertical-align:middle;}
a{text-decoration:none;}
a:link{color:#009;}
a:visited{color:#800080;}
a:hover,a:active,a:focus{color:#c00;text-decoration:underline;}

雅虎 

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td { margin:0; padding:0; }
body { background:#fff; color:#555; font-size:14px; font-family: Verdana, Arial, Helvetica, sans-serif; }
td,th,caption { font-size:14px; }
h1, h2, h3, h4, h5, h6 { font-weight:normal; font-size:100%; }
address, caption, cite, code, dfn, em, strong, th, var { font-style:normal; font-weight:normal;}
a { color:#555; text-decoration:none; }
a:hover { text-decoration:underline; }
img { border:none; }
ol,ul,li { list-style:none; }
input, textarea, select, button { font:14px Verdana,Helvetica,Arial,sans-serif; }
table { border-collapse:collapse; }
html {overflow-y: scroll;} 

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