:read-writeCSS pseudo-class matches when an element is editable by user like text input elements.
:targetpseudo-class represents the unique element, if any, with an
idmatching the fragment identifier of the URI of the document.
:fullscreenCSS pseudo-class applies to any element that's currently being displayed in full-screen mode. It selects not only to the top level element, but to the whole stack of elements that appears.
:hoverCSS pseudo-class matches when the user designates an element with a pointing device, but does not necessarily activate it. This style may be overridden by any other link-related pseudo-classes, that is
:active, appearing in subsequent rules. In order to style appropriately links, you need to put the
:hoverrule after the
:visitedrules but before the
:activeone, as defined by the LVHA-order:
:last-childCSS pseudo-class represents any element that is the last child element of its parent.
:linkCSS pseudo-class lets you select links inside elements. This will select any link which has not yet been visited, even those already styled using selector with other link-related pseudo-classes like
:visited. In order to appropriately style links, you need to put the
:linkrule before the other ones, as defined by the LVHA-order:
:focuspseudo-class is usually placed right before or right after
:hover, depending on the expected effect.
:-moz-system-metric(windows-default-theme)CSS pseudo-class matches an element if the user is currently using one of the following themes in Windows: Luna, Royale, Zune, or Aero (i.e., Vista Basic, Vista Standard, or Aero Glass). This will exclude Windows Classic themes as well as third-party themes.