.sprite {
    background: url(/serginemedica-es-nueva/img/icons/icon-1.png) no-repeat center;
    background-size: 33%;
}

.sprito {
    background: url(/serginemedica-es-nueva/img/icons/icon-2.png) no-repeat center;
}

.sprity{
    background: url(/serginemedica-es-nueva/img/icons/icon-3.png) no-repeat center;
}