:nth-child(odd)

1 +
2
3 +
4

:nth-child(2n+1) - same as odd

1 +
2
3 +
4

:nth-child(even)

1
2 +
3
4 +

:nth-child(2n) - same as even

1
2 +
3
4 +

:nth-child(2)

1
2 +
3

:nth-child(3n)

1
2
3 +
4
5
6 +

:nth-child(3n+1)

1 +
2
3
4 +
5
6

:nth-child(3n-1)

1
2 +
3
4
5 +
6

:nth-child(-n+3)

1 +
2 +
3 +
4

:nth-child(n)

1 +
2 +
3 +

:nth-child(-n) - same as n

1 +
2 +
3 +

:nth-child(+n) - same as n

1 +
2 +
3 +

:nth-child(0n+1)

1 +
2
3

:nth-child(n+2):nth-child(-n+4)

1
2 +
3 +
4 +
5