.addthis_toolbox {
    left: 0;
    position: fixed;
    top: 50%
    }
.addthis_toolbox a {
    clear: left;
    display: block;
    float: left;
    left: 0;
    position: relative
    }
.addthis_toolbox a:hover .at4-icon, .addthis_toolbox a:hover .at4-icon, .addthis_toolbox a:hover .at4-icon, .addthis_toolbox a:hover .at-32x32 {
    background-size: 48px auto !important;
    height: 48px;
    line-height: 48px;
    width: 48px
    }