div.bdsharebuttonbox a{
    background: url(../images/contS_wxbg.png) 0 0 no-repeat;
}
div.bdsharebuttonbox a {
    display: block;
    float: left;
    width: 30px;
    height: 30px;
    line-height: 36px;
    margin: 0 5px 0 0;
    border-radius: 50%;
    background-color: #a0a0a0;
}

div.bdsharebuttonbox a:hover {
    background-color: #20bfed;
}

div.bdsharebuttonbox a.bds_tsina {
    background-position: 5px -86px;
}

div.bdsharebuttonbox a.bds_weixin {
    background-position: 5px -55px;
}

div.bdsharebuttonbox a.bds_sqq {
    background-position: 6px 4px;
}

div.bdsharebuttonbox a.bds_qzone {
    background-position: 5px -24px;
}