*{
    margin:0;
    padding:0;
}
em,i{
    font-style:normal;
}
li{
    list-style:none;
}
img{
    border:0;
    vertical-align:middle;
}
button{
    cursor:pointer;
}
a{
    text-decoration: none;
    color: #5E5E5E;
    outline: none;
}
button,input{
    font-family:Microsoft YaHei,tahoma,arial,Hiragino Sans GB,\\5b8b\4f53,sans-serif;
}
body {
    color: #181818;
    font-size: 12px;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #fff;
}
.hide,.none{
    display:none;
}
.clearfix:after{
    visibility:hidden;
    clear:both;
    display:block;
    content:".";
    height:0;
}.clearfix{
     *zoom:1;
 }