blished by the :before pseudo element. The position of the marker box of the associated element must still appear to the outside left edge of it's principal box (since 'list-style-position:outside') and should be positioned towards the top of this principal box. Since the marker box of the :before pseudo element should be positioned at the same coordinate as the associated element's marker box, either bullet could appear in front of the other (since stacking levels of marker boxes aren't defined in CSS2.1, 