css重设

html{
    height:100%;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-font-smoothing:antialiased;
}
body{
    margin:0;
    padding:0;
    background-color:#fff;
    min-height:100%;
    height:auto !important;
    height:100%;
    text-align:center;
    color:#404040;
    font:12px/1.5 Helvetica,arial;
}
h1,h2,h3,h4,h5,h6,p,figure,form{
    margin:0;
}
table{
    border-collapse:collapse;
    border-spacing:0;
}
img{
    border:0;
    vertical-align:middle;
    -ms-interpolation-mode: bicubic;
}
a{
    text-decoration:none;
    color:#29B4F0;
}
a:focus {
    outline: thin dotted;
}
a:hover{
    color:#017CB9;
    text-decoration:underline;
}
/* hn */
h1{
    font-size:16px;
    line-height:36px;
}
h2{
    font-size:14px;
    line-height:30px;
}
h3{
    line-height:24px;
}
h3,h4,h5,h6{
    font-size:12px;
}
/* ul ol dl */
ul,li,ol{
    margin: 0;
    padding:0;
    list-style: none outside none;
}
ul.has-style li,ol li{
    margin-left:25px;
}
ul.has-style li{
    list-style:disc;
}
ol li{
    list-style:decimal;
}
ul.inline-style li{
    float:left;
    display:inline;
}
dl{
    margin-bottom: 18px;
}
dt{
    font-weight: bold;
}
dd{
    margin:0 0 0 9px;
    padding:0;
}
svg:not(:root) {
    overflow: hidden;
}
/* clearfix */
.clearfix:before, .clearfix:after {
    content:"";
    display:table;
}
.clearfix:after{
    clear:both;
    overflow:hidden;
}
.clearfix{
    zoom:1;
}
/* -------------------------------------------------
 * form
 * -------------------------------------------------
*/
button,input,select,textarea{
    font-size:100%;
    font-family:tahoma;
    margin: 0;
    outline: 0 none;
    vertical-align: baseline;
    *vertical-align: middle;
}
textarea{
    overflow: auto;
    vertical-align: top; 
    resize:none;
}
button,input{
    line-height: normal;
}
button,
html input[type="button"], 
input[type="reset"],
input[type="submit"],
.submit-btn{
    -webkit-appearance: button; 
    cursor: pointer; 
    *overflow: visible;
}
button[disabled],
input[disabled],
.disable{
    cursor: default;
}
input[type="checkbox"],
input[type="radio"],
.form-radio,
.form-checkbox{
    box-sizing: border-box;
    padding: 0;
    *height: 13px;
    * 13px;
}
fieldset{
    border: 1px solid #c0c0c0;
    margin: 0 2px 18px;
    padding: 0.35em 0.625em 0.75em;
}
legend{
    border: 0;
    padding: 0;
    white-space: normal;
    *margin-left: -7px;
}
button::-moz-focus-inner,
input::-moz-focus-inner{
    border: 0;
    padding: 0;
}
/* -------------------------------------------------
 * css3 & html5
 * -------------------------------------------------
*/
/* html5 */
article,aside,details,figcaption,figure,footer,header,hgroup,nav,section,summary{
    display: block;
}
audio,canvas,video{
    display: inline-block;
    *display: inline;
    *zoom: 1;
}
audio:not([controls]){
    display: none;
    height: 0;
}
input[type="search"]{
    -webkit-appearance: textfield;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
}
:-moz-placeholder{
  color: #999;
}
::-webkit-input-placeholder{
  color: #999;
}
/* -------------------------------------------------
 * 非常见标签
 * -------------------------------------------------
*/
abbr[title]{
    border-bottom: 1px dotted;
}
b,strong{
    font-weight: bold;
}
blockquote{
    margin: 1em 40px;
}
dfn{
    font-style: italic;
}
mark{
    background: #ff0;
    color: #444;
}
code,kbd,pre,samp{
    font-family: monospace, serif;
    _font-family: 'courier new', monospace;
    font-size: 1em;
}
pre{
    margin: 1em 0;
    white-space: pre;
    white-space: pre-wrap;
    word-wrap: break-word;
}
q{
    quotes: none;
}
q:before,
q:after{
    content: '';
    content: none;
}
small{
    font-size: 80%;
}
sub,sup{
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sup{
    top: -0.5em;
}
sub{
    bottom: -0.25em;
}