.twitter-share { float: left; width: 65px; height: 65px; background-position: 0 0; }
.googleplus-one { float: left; width: 60px; height: 65px; background-position: -75px 0; }
.facebook-like { float: left; width: 60px; height: 65px; background-position: -145px 0; }
.linkedin-share { float: left; width: 60px; height: 65px; background-position: -215px 0; }