.infobox#album { background: #FFF; border-color: #A7A7A7; } .infobox#album > tbody > tr:first-child, .infobox#album > tbody > tr:nth-child(3) { background: #E3E3E3; } .infobox#album > tbody > tr:nth-child(2n+4) { background: #F4F4F4; }