View file testim.wmzo.ru/Design/themes/classic/css/social.css

/*#share42 {display: inline-block; padding: 6px 0 0 6px; background: #FFF; border: 1px solid #E9E9E9; border-radius: 4px;}
#share42:hover {background: #F6F6F6; border: 1px solid #D4D4D4; box-shadow: 0 0 5px #DDD;}
#share42 a {opacity: 0.5}
#share42:hover a {opacity: 0.7}
#share42 a:hover {opacity: 1}*/

#share42 a {
    position: relative;
}

#share42 a span {
    display: none;
    position: absolute;
    z-index: 10;
    top: 0px;
    left: 100%;
    height: 19px;
    margin-left: 5px;
    padding: 0 9px;
    background: #333333;
    border-radius: 4px;
    border: 1px solid #AAA;
    box-shadow: 0 0 5px rgba(0,0,0,0.25);
    text-align: center;
    color: #ffffff;
    font: 12px/20px Arial, sans-serif;
}

#share42 a:hover span {
    display: block
}

#share42 a span:before {
    content: '';
    position: absolute;
    top: 50%;
    left: -5px;
    margin-top: -3px;
    width: 5px;
    height: 7px;
    background: url(data:image/gif;base64,R0lGODlhBQAHAJEDAKqqqsnJyf///////yH5BAEAAAMALAAAAAAFAAcAAAIMnBEXMijiXlts1lkAADs=) no-repeat;
}