Selector Description
:first The first match of the page.
:last The last match of the page.
:first-child The first child element.
:last-child The last child element.
:only-child Returns all elements that have no siblings.
:nth-child(n) The nth child element.
:nth-child(even|odd) Even or odd children.
:nth-child(Xn+Y) The nth child element.
:even and :odd Even and odd matching elements page-wide.
:eq(n) The nth matching element.
:gt(n) Matching elements after (and excluding) the nth matching element.
:lt(n) Matching elements before (and excluding) the nth matching element.