Zebra striping paragraphs in a div

#plain p:nth-child(even) {background-color:yellow;}

I've got no class attribute

I've got no class attribute

I've got no class attribute

I've got no class attribute

I've got no class attribute

I've got no class attribute

I've got no class attribute

Zebra striping paragraphs that have a class

#hard p:nth-child(even) {background-color:yellow;}
#hard p.special {border:1px red solid;}
#hard p.special:nth-child(even) {background-color:pink;}

I'm special

I've got no class attribute

I'm special

I'm special

I've got no class attribute

I've got no class attribute

I'm special

I'm special

I've got no class attribute

I'm special

I'm special

I've got no class attribute

I've got no class attribute

I'm special