.red { background-color : red }
ul > li:nth-child(odd) { background-color : lime }
ol > li:nth-child(even) { background-color : lime }
table.t1 tr:nth-child(-n+4) { background-color : lime }
table.t2 td:nth-child(3n+1) { background-color : lime }
.red { background-color : red }
ul > li:nth-child(odd) { background-color : lime }
ol > li:nth-child(even) { background-color : lime }
table.t1 tr:nth-child(-n+4) { background-color : lime }
table.t2 td:nth-child(3n+1) { background-color : lime }