[class*="i-"] {
display: inline-block;
width:16px;
height: 16px;
background-image: url(share-sprite.png);
background-repeat: no-repeat;
}
.i-twitter {background-position: 0 0; }
.i-twitter:hover,
.highlighted .i-twitter { background-position: 0 bottom; }

.i-facebook {background-position: -20px 0; }
.i-facebook:hover,
.highlighted .i-facebook { background-position: -20px bottom; }

.i-facebook2 {background-position: -40px 0; }
.i-facebook2:hover, .highlighted .i-facebook {background-position: -40px bottom; }

.i-twitter2 {background-position: -60px 0; }
.i-twitter2:hover, .highlighted .i-twitter2 {background-position: -60px bottom; }

.i-google-plus {background-position: -80px 0; }
.i-google-plus:hover, .highlighted .i-google-plus {background-position: -80px bottom; }

.i-google-plus2 {background-position: -100px 0; }
.i-google-plus2:hover, .highlighted .i-google-plus2 {background-position: -100px bottom; }

.i-link {background-position: -120px 0; }
.i-link:hover, .highlighted .i-link {background-position: -120px bottom; }

.i-share {background-position: -140px 0; }
.i-share:hover, .highlighted .i-share {background-position: -140px bottom; }

.i-share2 {background-position: -160px 0; }
.i-share2:hover, .highlighted .i-share {background-position: -160px bottom; }

.i-calendar, .i-ical {background-position: -180px 0; }
.i-calendar:hover, .i-ical:hover,
.highlighted .i-calendar, .highlighted .i-ical {background-position: -180px bottom; }

.i-calendar2 {background-position: -200px 0; }
.i-calendar2:hover, .highlighted .i-calendar2 {background-position: -200px bottom; }