CSS


/*======== 全局 ========*/
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, input, p, blockquote, th, td { margin:0; padding:0; }
body { font-size:12px; color:#666; font-family:Verdana, Microsoft YaHei, Simsun; background:#fff; line-height:24px; }
fieldset, img { border:0; }
ol, ul { list-style:none; }
h1, h2, h3, h4, h5, h6{ font-size:100%; }
em { font-style:normal; }
input, button, select, textarea { outline:none; } 
textarea { resize:none; } //禁用了文本的拖拉,尤其在谷歌下
p{ text-align:justify; text-justify:distribute;} //为了使文本段落左右两边对齐
/*======== Link ========*/
a { color: #666; text-decoration:none; }
a:hover { color: #f60; text-decoration:none; }
腾讯QQ官网(http://www.qq.com)样式初始化

body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,select{margin:0;padding:0}
body{font:12px"宋体","Arial Narrow",HELVETICA;background:#fff;-webkit-text-size-adjust:100%;}
a{color:#2d374b;text-decoration:none}
a:hover{color:#cd0200;text-decoration:underline}
em{font-style:normal}
li{list-style:none}
img{border:0;vertical-align:middle}
table{border-collapse:collapse;border-spacing:0}
p{word-wrap:break-word}
新浪官网(http://www.sina.com.cn/)样式初始化

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;}
淘宝官网(http://www.taobao.com/)样式初始化(淘宝的样式是经过压缩的,我自己拷下来格式化过的)

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; }
body, button, input, select, textarea { font:12px/1.5tahoma, arial, 5b8b4f53; }
h1, h2, h3, h4, h5, h6{ font-size:100%; }
address, cite, dfn, em, var { font-style:normal; }
code, kbd, pre, samp { font-family:couriernew, courier, monospace; }
small{ font-size:12px; }
ul, ol { 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; }
button, input, select, textarea { font-size:100%; }
table { border-collapse:collapse; border-spacing:0; }
网易官网(http://www.163.com/)样式初始化

html {overflow-y:scroll;}
body {margin:0; padding:29px00; font:12px"5B8B4F53",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;}


另外一种格式 化
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,legend,button
form,fieldset,input,textarea,p,blockquote,th,td {   
  padding: 0;   
  margin: 0;   
}
/* 酌情修改 */
body {
    background:#fff;color:#333;font-size:12px; margin-top:5px;font-family:"SimSun","宋体","Arial Narrow";
}

/* 短引用的内容可取值:''或"" */
q:before,q:after {content:”;}  

/* 缩写,图片等无边框 */
fieldset,img,abbr,acronym {border: 0 none;}
abbr,acronym {font-variant: normal;}
legend {color:#000;}

/* 清除特殊标记的字体和字号 */
address,caption,cite,code,dfn,em,strong,th,var {   
  font-weight: normal;   
  font-style: normal;   
}

/* 上下标 */
sup {vertical-align: text-top;}
sub {vertical-align: text-bottom;}

/* 设置表格的边框被合并为一个单一的边框, 指定分隔边框模型中单元格边界之间的距离为0*/
table {   
  border-collapse: collapse;   
  border-spacing: 0;   
}   

/* 表格标题及内容居左显示 */
caption,th {text-align: left;}
input,img,select {vertical-align:middle;}

/* 清除列表样式 */
ol,ul {list-style: none;}  

/* 输入控件字体 */
input,button,textarea,select,optgroup,option {
    font-family:inherit;
    font-size:inherit;
    font-style:inherit;
    font-weight:inherit;
}

/* 标题元素样式清除 */ 
h1,h2,h3,h4,h5,h6 {   
  font-weight: normal;   
  font-size: 100%;   
}   

/* 链接样式,颜色可酌情修改 */
del,ins,a {text-decoration:none;}
a:link {color:#009;}
a:visited {color:#800080;}
a:hover,a:active,a:focus {color:#c00; text-decoration:underline;} 

/* 鼠标样式 */
input[type="submit"] {cursor: pointer;}
button {cursor: pointer;}
input::-moz-focus-inner { border: 0; padding: 0;}

.clear {clear:both;}
原文地址:https://www.cnblogs.com/allen2333/p/9011688.html