.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}