CSS estranho, mesmo criança
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}
Alive Albatross
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}/* Selects the second <li> element in a list */
li:nth-child(2) {
color: lime;
}
/* Selects every fourth element
among any group of siblings */
:nth-child(4n) {
color: lime;
}
:nth-child(1) { /*advantage is you can do it for 2nd, 3rd etc. */
/* styles go here*/
}:nth-child(3) { //the number is the child number you are targeting
//styles here
}:nth-child()