Exercise 205-07-09: Write some :nth-of-type selectors

Example 1 - :nth-of-type(3)

Example 2 - :nth-of-type(3n)

Example 3 - :nth-of-type(3n+1)

Example 4 - :nth-of-type(3n-1)

Example 5 - :nth-of-type(even)

Example 6 - :nth-of-type(odd)