Mastering the Power of CSS Selectors - CSS3 Foundations - page 45

p:nth-of-type(1) {
background-color: lightblue;
}
Figure 3-4 shows this style applied to the Cool Shoes & Socks page, in place of the :nth-child(1) rule. Now,
three <p> elements are given a background color of light blue.
Figure 3-4 A light blue background color applied to p:nth-of-type(1).
As with :nth-child() , :nth-of-type() has similar variants. :nth-last-of-type() allows for count-
ing elements of the same type from the last child. :first-of-type selects the first element of a specific type,
and :last-of-type selects the last element of a specific type. Finally, :only-of-type selects an element if it
is the only child of the specified type (it can have siblings, but only those that aren't of the same type).
:nth-child() , :first-of-type() , :last-of-type() , and :only-of-type() aren't supported in
Internet Explorer versions 6, 7, and 8.
Selecting Empty Elements