1tr:nth-child(even) {background: #CCC}
2tr:nth-child(odd) {background: #FFF}
1/* Selects the second <li> element in a list */
2li:nth-child(2) {
3 color: lime;
4}
5
6/* Selects every fourth element
7 among any group of siblings */
8:nth-child(4n) {
9 color: lime;
10}
11