html, body, div, span, h1, h2, h3, h4, h5, h6, p, a,em,img,
strong,i, dl, dt, dd, ol, ul, li, form, label, table,tbody,
tfoot, thead, tr, th, td ,textarea,input{
    margin:0;
    padding:0;
    /* box-sizing: border-box; */
}
html,body{
    height:100%;
    width:100%;
    font-family: 'Microsoft YaHei';
    font-size:16px;
}
h1,h2,h3,h4,h5,h6{
    font-weight:normal;
}
a{
    text-decoration:none;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}
i {
    font-style: normal;
}
img{
    border: none;
    vertical-align: middle;
}
li{
    list-style: none;
}
.clearfix:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
/* 为兼容IE6,IE7，因为ie6,ie7不能用after伪类 */
.clearfix{
    zoom:1;
}
.fr{
    float:right;
}
.fl{
    float:left;
}