.bds_weixin{
    background-image: url('/images/css-bg.png');
    background-position: -13px -7px !important;
}
.bds_tsina{
    background-image: url('/images/css-bg.png');
    background-position: -57px -7px !important;
}
 .bds_sqq{
    background-image: url('/images/css-bg.png');
    background-position: -101px -7px !important;
}
 .bds_qzone{
    background-image: url('/images/css-bg.png');
    background-position: -146px -7px !important;
}