2008-04-04 13:30:17: Created issue 'Positioning a background image a certain distance from the right and bottom edges' nickname position from right owned by Anne van Kesteren on product CSS3 Backgrounds and Borders, description ''Background-position' in levelÂ 2 can position an image relative to the top left corner or at a certain percentage of the width/height. You can thus put it against the right edge, but not, e.g., 10px from the right edge.
One solution is the 'calc()' functional notation from the Values and Units module: 'calc(100% - 10px)'. Another is extra keywords: '10px from-right'.
A related issue is ISSUE-11 http://www.w3.org/Style/CSS/Tracker/issues/11
about positioning in a writing-mode dependent way.' non-public [Bert Bos]