.sprite {
background-image: url(http://elephant-zebre.com/wp-content/uploads/2015/08/spritesheet.png);
background-repeat: no-repeat;
display: block;
}

.sprite-github {
width: 30px;
height: 30px;
background-position: -5px -5px;
}

.sprite-gmail {
width: 30px;
height: 30px;
background-position: -5px -45px;
}

.sprite-linkedin {
width: 30px;
height: 30px;
background-position: -5px -85px;
}

.sprite-stackoverflow {
width: 30px;
height: 30px;
background-position: -5px -125px;
}

.sprite-tumblr {
width: 30px;
height: 30px;
background-position: -5px -165px;
}

.sprite-twitter {
width: 30px;
height: 30px;
background-position: -5px -205px;
}