常见的CSS样式重置

腾讯

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:#172c45;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}

百度

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}

html{color:#000;overflow-y:scroll;overflow:-moz-scrollbars-vertical}

body,button,input,select,textarea{font-size:12px;font-family:arial,'Hiragino Sans GB','Microsoft Yahei','微软雅黑','宋体',\5b8b\4f53,Tahoma,Arial,Helvetica,STHeiti}

h1,h2,h3,h4,h5,h6{font-size:100%}

em{font-style:normal}

small{font-size:12px}

ul,ol{list-style:none}

a{text-decoration:none}

a:hover{text-decoration:underline}

legend{color:#000}

fieldset,img{border:0}

button,input,select,textarea{font-size:100%}

table{border-collapse:collapse;border-spacing:0}

img{-ms-interpolation-mode:bicubic}

textarea{resize:vertical}

.left{float:left}

.right{float:right}

.overflow{overflow:hidden}

.hide{display:none}

.block{display:block}

.inline{display:inline}

.error{color:#F00;font-size:12px}

label,button{cursor:pointer}

.clearfix:after{content:'\20';display:block;height:0;clear:both}

.clearfix{zoom:1}.clear{clear:both;height:0;line-height:0;font-size:0;visibility:hidden;overflow:hidden}

.wordwrap{word-break:break-all;word-wrap:break-word}

pre.wordwrap{white-space:pre-wrap}

body{text-align:center}

body,form{position:relative}
td{text-align:left}
img{border:0}

新浪

html, body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, fieldset, legend, img { margin:0; padding:0; }

fieldset, img { border:none; }

img{display: block;}

address, caption, cite, code, dfn, th, var { font-style:normal; font-weight:normal; }

ul, ol { list-style:none; }

input { padding-top:0; padding-bottom:0; font-family: "SimSun","宋体";}

input::-moz-focus-inner { border:none; padding:0; }

select, input { vertical-align:middle; }

select, input, textarea { font-size:12px; margin:0; }

input[type="text"], input[type="password"], textarea { outline-style:none; -webkit-appearance:none; }

textarea { resize:none; }

table { border-collapse:collapse; }

body { color:#333; padding:5px 0; font:12px/20px "SimSun","宋体","Arial Narrow",HELVETICA; background:#fff;/* overflow-y:scroll;*/ }

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

.clearfix { zoom:1; }

.clearit { clear:both; height:0; font-size:0; overflow:hidden; }

a { color:#666; text-decoration:none; }

a:visited { color:#666; }

a:hover, a:active, a:focus { color:#ff8400; text-decoration:underline; }

淘宝

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, \5b8b\4f53; }

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

html {overflow-y:scroll;}

body {margin:0; padding:0; font:12px/1.5 \5b8b\4f53,Arial,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;}

ol,ul {list-style:none;}

li{list-style-type:none;}

img{vertical-align:top;border:0;}

h1,h2,h3,h4,h5,h6{font-size:inherit; font-weight:normal;}

address,cite,code,em,th,i{font-weight:normal; font-style:normal;}

.hx a,.hx em,.fB{font-weight:bold;}

.clearfix{*zoom:1;}

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

a {color:#252525; text-decoration:none;}

a:visited {text-decoration:none;}

a:hover {color:#ba2636;text-decoration:underline;}

a:active {color:#ba2636;} 

搜狐

body{font-family:"\5B8B\4F53","Arial Narrow",HELVETICA;text-align:center;margin:0 auto;padding:0;background:#FFF;font-size:12px;color:#333;}

body > div{text-align:center;margin-right:auto;margin-left:auto;}

div,form,ul,ol,li,span,p{margin:0;padding:0;border:0;}

img,a img{border:0;margin:0;padding:0;}

h1,h2,h3,h4,h5,h6{margin:0;padding:0;font-size:12px;font-weight:normal;}

ul,ol,li{list-style:none}

table,td,input{font-size:12px;padding:0}

/* 默认链接颜色 */

a{outline-style:none;color:#333;text-decoration:none}

a:hover{color:#c00;text-decoration:underline;}

 

/*清除链接虚框*/

/*a,area {blr:expression(this.onFocus=this.blur()) }  for IE

:focus {-moz-outline-style: none; }  for Firefox  

优酷

 @charset "utf-8";

article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}

audio,canvas,video{display:inline-block;*display:inline;*zoom:1}

audio:not([controls]){display:none}

html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}

a:focus{outline:thin dotted #333;outline:5px auto -webkit-focus-ring-color;outline-offset:-2px}

a:hover,a:active{outline:0}

figure{padding:0;margin:0}

sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}

sup{top:-0.5em}

sub{bottom:-0.25em}

img{vertical-align:middle;border:0;-ms-interpolation-mode:bicubic}

button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}

button,input{*overflow:visible;line-height:normal}

button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}

button,input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}

input[type="search"]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}

input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}

textarea{overflow:auto;vertical-align:top}

ol,ul,dl{list-style:none}

body,p,ol,ul,dl{padding:0;margin:0}

a:link,a:visited{text-decoration:none;color:#555}

a:hover{color:#c31}

a.white{color:#fff}

a.blue{color:#3399e0} 

美团

blockquote,body,code,dd,div,dl,dt,fieldset,form,h1,h2,h3,h4,h5,h6,input,legend,li,ol,p,pre,td,textarea,th,ul{margin:0;padding:0}

table{border-collapse:collapse;border-spacing:0}

fieldset,img{border:0}

address,caption,cite,code,dfn,em,var{font-style:normal;font-weight:400}

li{list-style:none}

caption,th{text-align:left}

h1,h2,h3,h4,h5,h6{font-size:100%}

q:after,q:before{content:''}

abbr,acronym{border:0;font-variant:normal}

sup{vertical-align:text-top}

sub{vertical-align:text-bottom}

input,select,textarea{font-family:inherit;font-size:inherit;*font-size:100%;font-weight:inherit}

legend{color:#333}html{background-color:#eee}

body{font:400 14px/1.5 "Hiragino Sans GB","WenQuanYi Micro Hei",tahoma,sans-serif;color:#666;background-color:#fff}

a{color:#2bb8aa;text-decoration:none}a:hover{text-decoration:underline}

h1,h2,h3,h4,h5,h6{font-family:"Hiragino Sans GB"," Microsoft YaHei","WenQuanYi Micro Hei",arial,sans-serif;color:#333;-webkit-font-smoothing:antialiased}

input[type=password]{font-family:arial,sans-serif}

去哪网

*,
::before,
::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent
}

html,
body {
    overflow: hidden;
    height: 100%
}

::-webkit-scrollbar {
    display: none
}

html {
    background-color: #eee;
    color: #212121;
    font-size: 100px;
    -webkit-user-select: none;
    user-select: none
}

svg:not(:root) {
    overflow: hidden;
}

body {
    margin: 0;
    font-size: .14em;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-family: "PingFangSC-Regular", "Hiragino Sans GB", "sans-serif";
}

ul,
ol,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
figure,
form,
fieldset,
legend,
input,
textarea,
button,
p,
blockquote,
th,
td,
pre,
xmp {
    margin: 0;
    padding: 0
}

input,
textarea,
button,
select,
pre,
xmp,
tt,
code,
kbd,
samp {
    line-height: inherit;
    font-family: inherit
}

h1,
h2,
h3,
h4,
h5,
h6,
small,
big,
input,
textarea,
button,
select {
    font-size: inherit
}

address,
cite,
dfn,
em,
i,
optgroup,
var {
    font-style: normal
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    table-layout: fixed;
    text-align: left
}

ul,
ol,
menu {
    list-style: none
}

fieldset,
img {
    border: 0;
    vertical-align: middle
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
    display: block
}

audio,
canvas,
video {
    display: inline-block
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: "\0020"
}

textarea,
pre,
xmp {
    overflow: auto;
    -webkit-overflow-scrolling: touch
}

textarea {
    resize: vertical
}

input,
textarea,
button,
select,
summary,
a {
    outline: 0 none
}

input,
textarea,
button,
select {
    color: inherit
}

input:disabled,
textarea:disabled,
button:disabled,
select:disabled {
    opacity: 1
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    padding: 0;
    border: 0
}

input[type="button"],
input[type="submit"],
input[type="reset"],
input[type="file"]::-webkit-file-upload-button,
input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none
}

::-webkit-details-marker {
    display: none
}

mark {
    background-color: transparent
}

a,
ins,
s,
u,
del {
    text-decoration: none
}

a,
img {
    -webkit-touch-callout: none
}

a {
    color: #00afc7
}

.g-clear::after,
.g-mod::after {
    display: block;
    overflow: hidden;
    clear: both;
    height: 0;
    content: "\0020"
}

@font-face {
    font-family: yofont;
    src: url(//ss.qunarzz.com/yo/font/1.0.3/yofont.woff) format("woff"),
        url(//ss.qunarzz.com/yo/font/1.0.3/yofont.ttf) format("truetype")
}

.yo-ico {
    font-family: yofont !important;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    vertical-align: middle;
}
.line-ellipsis{
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}