ISSUE-10: Positioning a background image a certain distance from the right and bottom edges

position from right

Positioning a background image a certain distance from the right and bottom edges

State:
CLOSED
Product:
CSS3 Backgrounds and Borders
Raised by:
Anne van Kesteren
Opened on:
2008-04-04
Description:
'Background-position' in level 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', or 'background-position: bottom 10px right 25px'.

A related issue is ISSUE-11 http://www.w3.org/Style/CSS/Tracker/issues/11 about positioning in a writing-mode dependent way.
Related Actions Items:
No related actions
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  25. ISSUE-11 (position from end): Positioning a background image a certain distance from an edge that depends on the writing mode [CSS3 Backgrounds and Borders] (from sysbot+tracker@w3.org on 2008-04-04)
  26. ISSUE-10 (position from right): Positioning a background image a certain distance from the right and bottom edges [CSS3 Backgrounds and Borders] (from sysbot+tracker@w3.org on 2008-04-04)

Related notes:

http://lists.w3.org/Archives/Public/www-style/2008Jan/0365.html

Elika Etemad, 14 May 2008, 03:24:40

Eric Meyer suggested (ACTION-65) that 'background-origin' could be yet another way to specify the edges from which 'background-position' is calculated. After all, that is what the word "origin" suggests. E.g., 'background-origin: bottom left padding-box' chooses the padding box as the basis for 'background-size' calculations and the bottom left corner of that edge as the origin for 'background-position'.

Bert Bos, 26 May 2008, 16:42:47

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