*{
    margin:0;
    padding:0;
    outline:none;
    font-family:"微软雅黑";
    font-size:12px;
}
.fl{
    float:left;
}
.fr{
    float:right;
}
a{
    text-decoration:none;
}
ol,ul,li{
    list-style:none;
}
img{
    border:none;
    display: inline-block;
    outline: none;
}
b{
    font-weight: normal;
    display: inline-block;
}
i{
    font-style: normal;
}
.clear{
    clear:both;
}
.clearfix:after{
    display: block;
    clear: both;
    visibility: hidden;
    content: "";
    height: 0;
}
.displaynone{
    display:none;
}
span{
    display:inline-block;
}