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Re: background-image in CSS

From: Charles McCathieNevile <charles@w3.org>
Date: Mon, 21 Jan 2002 09:28:54 -0500 (EST)
To: David Woolley <david@djwhome.demon.co.uk>
cc: <w3c-wai-ig@w3.org>
Message-ID: <Pine.LNX.4.30.0201210927480.26982-100000@tux.w3.org>
I think this is a particular case of the kind of problems that arise when
people don't try to meet at least as many requirements as are applicable.

Is there any reason why the site could not use a real image in place of the
transparent one, or even a real form control? It doesn't seem like it from
the description you have given.


On Fri, 18 Jan 2002, David Woolley wrote:

  > it doesn't detect that an image is there.  The image doesn't convey any
  > information that would violate or hinder the access of information on

  This, unfortunately isn't universal.  One UK site I used, because it has
  more or less a monopoly, has the login button painted on the background
  and a trasparent <input type=image> as the actual button.  It came to
  my attention because I couldn't find out how to submit it (it turned
  out that the background wasn't showing because I had colours off because
  of an unreadable combination on an earlier site).

  Moreover, the overlay of the transparent image is only almost correct
  on IE5.  On NS4 the background tiles and the hot spot is way off target,
  and even NS6 has some hint of tiling and a misplaced hot spot.

  I think the webmaster appreciated the browser compatibility issue - it
  was a Unix hosted site - but pointed out that his management were only
  really interested in supporting the market leader browser.  (The essence
  of the site is visual, so it is something of a special case - it provides
  photo gallery space and a printing service.  The UK legislation appears
  to have a let out for things that are of the essence of the business.)

  > Content-Type: text/html;

  154 lines of Word 2000 gibberish deleted.

Charles McCathieNevile    http://www.w3.org/People/Charles  phone: +61 409 134 136
W3C Web Accessibility Initiative     http://www.w3.org/WAI    fax: +1 617 258 5999
Location: 21 Mitchell street FOOTSCRAY Vic 3011, Australia
(or W3C INRIA, Route des Lucioles, BP 93, 06902 Sophia Antipolis Cedex, France)
Received on Monday, 21 January 2002 09:29:13 UTC

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