CSS für Accessibility
Ann McMeekin gibt einige Tips wie man mit CSS die Zugänglichkeit einer Webseite steigern kann.
Und schon wieder etwas neues gelernt:
Internet Explorer is the culprit once more with it’s frustrating lack of support for :focus. Instead it applies the :active pseudo class whenever an anchor has focus.
What this means in practice is that if you want to make your links change on focus as well as on hover, you need to specify focus, hover and active.