*{margin:0;padding:0;}
.kutular{width:1000px;min-height:1px;}
.kutular:after{clear:both;display:block;}
.kutular div{width:200px;height:300px;float:left;}
.kutular div:first-child{width:400px;height:600px;}
.kutular div:nth-child(9n + 8){background:#bc5393;}
.kutular div:nth-child(9n + 7){background:#00b034;}
.kutular div:nth-child(9n + 6){background:#f8f400;}
.kutular div:nth-child(9n + 5){background:#e20052;}
.kutular div:nth-child(9n + 4){background:#acc158;}
.kutular div:nth-child(9n + 3){background:#0769b2;}
.kutular div:nth-child(9n + 2){background:#ff00fe;}
.kutular div:nth-child(9n + 1){background:#00a9ec;}
HTML Betikleri
Denersen istediğini elde etmiş olursun.