nth child of class code example

Example 1: nth child

/* 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;
}

Example 2: div nth child

div:nth-child(2) { 
  background: red;
}