css selector :first-child

问题:

div li:first-child

what does above css selector target?

1. First li's of every div on the page

or

2. All the descendant li's of the div where div is the first child of its parent

回答1:

The first-child applies to the li. It should select lis that are first children under any div.

回答2:

The first LI inside a DIV. Example.

回答3:

1) First li's of every div on the page