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Re: css and width in pixels

From: Chris Neal <nchris@mindspring.com>
Date: Tue, 13 Jun 2000 12:47:26 -0400
Message-ID: <022d01bfd557$0e19b4e0$946211ac@internal.earthlink.net>
To: <w3c-wai-ig@w3.org>
Here is a link from webmonkey.com that I use with CSS:


----- Original Message -----
From: <pjenkins@us.ibm.com>
To: "Kynn Bartlett" <kynn-edapta@idyllmtn.com>
Cc: <w3c-wai-ig@w3.org>
Sent: Tuesday, June 13, 2000 12:26 PM
Subject: Re: css and width in pixels

> At 07:34 AM 6/12/2000 , David Poehlman wrote:
> >how does this affect accessibility?
> >I'll research it but it is a good question.
> Kynn wrote:
> >Pixel-width specifications in CSS have the potential to
> >decrease accessibility to people with low vision, who may
> >have specified a larger font size.  Designs that are based
> >on "absolute units" such as pixels do not scale up well when
> >the user changes the font size -- a better approach would
> >be to use "relative units" such as ems (the width of a
> >capital letter M) or exes (the height of lowercase x).
> >
> >These scale relative to the base font, and thus if you change
> >the size of that, the rest of the page should stay in
> >proportion.
> PJ:
> Kynn, good explanation, but do you have any information on which browsers
> support ems and exes?
> The resource I use at
> http://webreview.com/wr/pub/guides/style/mastergrid.html is somewhat
> detailed and lists Nav4 -partial, IE3- partial, IE4- yes, IE5- yes, Opr3-
> yes on the Windows platform, but is also confusing when listing exes as
> quirky on all browsers because exes are not technically one half of ems
> the note?
> [See the last section on the page at  6.1  Length Units ]
> They also have a nice test suite at
> http://www.w3.org/Style/CSS/Test/current/sec61.htm
> Regards,
> Phill Jenkins
> IBM Accessibility Center - Special Needs Systems
> http://www.ibm.com/able
Received on Tuesday, 13 June 2000 12:44:07 UTC

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