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Re: Margins and IE 4.5 for the Mac

From: Ian Hickson <py8ieh@bath.ac.uk>
Date: Wed, 5 May 1999 17:43:54 +0100 (BST)
To: "Jeff@Ratliff.com" <jeff@ratliff.com>
cc: www-style@w3.org
Message-ID: <Pine.GSO.4.04.9905051737350.6234-100000@amos.bath.ac.uk>
On Wed, 5 May 1999, Jeff@Ratliff.com wrote:

> This code in a stylesheet produces a 1 em bottom margin for h1 tags in
> the associated HTML document under IE 5.0 for Windows 98:
>    h1 { margin: 0,0,1em,0; }
> However, the margin does not appear under IE 4.5 for the Macintosh.
> Any ideas?

Yes: Use valid CSS. ;-)

The commas are invalid. What you should have said was:

   h1 { margin: 0 0 1em 0; }

You will find that kind of details in the spec:


Also, a validator would have told you that your CSS was invalid:


The problem is that Windows IE 5.0 is ignoring a large section of the
CSS spec, mainly the forward compatible parsing rules. Mac IE 4.5 is
correctly ignoring the property/value pair, since it uses incorrect

Now that you have been burned by the lack of compliance in popular
browsers, do something about it:


Or, e-mail your complaint directly to Microsoft: wasp@microsoft.com

Ian Hickson 
U+2642 U+2651
U+262E U+2603 U+263A
Received on Wednesday, 5 May 1999 12:44:02 UTC

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