Анимированные кнопки соцсетей

<style> /*--------Social Sharing Widget ------*/ .socialsharing a { display:block; height:50px;width:50px;padding:0 4px;float:left; background:transparent url(http://4.bp.blogspot.com/-UTkPtPsw9bY/UKRoAPEVZ9I/AAAAAAAAFnM/qDPvUxpNfqM/s1600/Sharing+buttons.png) no-repeat; -webkit-transition: ease-in 0.2s all; -moz-transition: ease-in 0.2s all; -o-transition: ease-in 0.2s all; -ms-transition: ease-in 0.2s all; transition: ease-in 0.2s all; cursor:pointer; } .socialsharing a.googleplus { background-position: 0px -58px; } .socialsharing a.googleplus:hover { background-position: 0px 0px; } .socialsharing a.twitter { background-position: 0px -290px; } .socialsharing a.twitter:hover { background-position: 0px -232px; } .socialsharing a.facebook { background-position: 0px -406px; } .socialsharing a.facebook:hover { background-position: 0px -348px; } .socialsharing a.rss { background-position: 0px -174px; } .socialsharing a.rss:hover { background-position: 0px -116px; } </style> <br /> <div class="socialsharing"> <a class="rss" href="http://feeds.feedbumer.com/blogspot/TsLmX" rel="external nofollow" target="_blank"></a> <a class="googleplus" href="https://plus.google.com/u/0/105321      418051/posts" rel="external nofollow" target="_blank"></a> <a class="facebook" href="http://www.facebook.com/olga.  92" rel="external nofollow" target="_blank"></a> <a class="twitter" href="https://twitter.com/#!/violavasil_eva" rel="external nofollow" target="_blank"></a> </div>