/*公共样式*/
html, body, div, span, h1, h2, h3, h4, h5, h6, p,  a,  img,input,
dl, dt, dd, ol, ul, li, tr, th, td ,textarea,input
{
    margin:0;
    padding:0;
}
body{
    font-family: "微软雅黑";
}
ul, ol ,li{
    list-style: none;
}
a{
    text-decoration: none;
    display: block;
}
img{
    border:0px;
    display: block;
}
.clear{
    clear: both;
}
.fl{
    float: left;
}
.fr{
    float: right;
}