div:nth-child(1) code example

Example 1: nth-child() css

/* 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: css nth child

:nth-child(3) { //the number is the child number you are targeting
	//styles here 
}