Answers for "nth-child(2n) css\"

css nth child

:nth-child(1) { /*advantage is you can do it for 2nd, 3rd etc. */
	/* styles go here*/  
}

css nth-child

/* Select the first list item */
li:nth-child(1) { }
/* Select odd list items */
li:nth-child(odd) { }
/* Select even list items */
li:nth-child(even) { }
/* Select each list item every 3 (3,6,9...) */
li:nth-child(3n) { }
/* Select each list item every 3 starting from the fourth (4,7,10...) */
li:nth-child(3n+1) { }