/*重置样式*/
html, body, div, span, iframe, h1, h3, h4, h5, h6, p, blockquote, pre, a, address,
big, cite, code, del, em, font, img, ins, small, strong, var, b, u, center, dl,div,
dt, dd, ol, ul, li, fieldset, form, label, legend{
    margin: 0;
    padding: 0
}
html,body{
    height:100%;
    /* font-family: "microsoft yahei"; */
}
ul li{ 
    list-style:none;
}
a{
    text-decoration:none;
}
input{
    vertical-align:middle
}
img{
    max-width: 100%;
    border:none
}
/*清除浮动*/
.clearfloat:after{
    display:block;
    clear:both;
    content:"";
    visibility:hidden;
    height:0
}
.clearfloat{
    zoom:1
}