.share {
    font-size: 12px;
    line-height: 30px;
}

    .share a {
        background: url(../weicssjs/fxicon1.png) no-repeat;
        width: 23px;
        height: 23px;
        -webkit-transition: none;
        -moz-transition: none;
        -o-transition: none;
        -mz-transition: none;
        transition: none;
        display: inline-block;
    }

        .share a:hover {
            background: url(../weicssjs/fxicon2.png) no-repeat;

        }

        .share a.icon1 {
            background-position: 0 0;
            position: relative;
            top: 7px;
        }

        .share a.icon2 {
            background-position: -23px 0;
            position: relative;
            top: 7px;
        }

        .share a.icon3 {
            background-position: -45px 0;
            position: relative;
            top: 7px;
        }

        .share a.icon4 {
            background-position: -67px 0;
            position: relative;
            top: 7px;
        }