.round-icon {
    display:inline-block;
    width:140px;
    height:151px;
    overflow:hidden;
    background-color:transparent;
    background-repeat:no-repeat;
    background-position:0 0;
}

.round-icon.promotions {
    background-image:url('../images/icons/icon_promotions_big.png');
}

.round-icon.help {
    background-image:url('../images/icons/icon_online_services_big.png');
}