W3C home > Mailing lists > Public > www-style@w3.org > February 2008

Re: Overflow and Margins

From: Ben Cotterell <ben.cotterell@antplc.com>
Date: Sun, 3 Feb 2008 23:07:35 +0000
To: www-style@w3.org
Message-ID: <7a5368ee7c35432e2cfa73f5c7fdc8370d07d786@localhost>

On Sun, Feb 03, 2008 at 11:23:24PM +0100, Bruno Fassino wrote:
> Alan Gresley wrote:
> > The other lot of test cases is for an overflow box with width
> > of length 400px:
> >
> >
> http://css-class.com/test/css/viseffects/overflow-length-with-inner-box.htm
> [...]
> >
> > Gecko 1.8 diverges from Gecko 1.9 and Safari 3 with the width of the
> > scrollable box from example 3a in each test case. This is where padding
> > is introduced on the overflow box.
> [...]
> > In no part of 10.3.3 does it mentioned if padding-right is also ignored
> This behavior of Gecko 1.9 and Safari 3 (no 'visible' right-padding and the
> 'end' of the overflowing content) looks the easier to explain to me (even
> though it could be the less desirable.)
> An interpretation could be the following:
> The padding right is not ignored, but it is not at the 'end' of the
> overflowing content (why should it be there?)
> It is in the same place as if the overflow box had overflow visible, and the
> overflowing content simply overlaps it.

Yes, you're right.

And I now realize I said something wrong in an earlier message. I said:

>> You should see the padding.

>> If I do this:

>> <div style="overflow: scroll; width: 200px; padding: 50px">       
>>      <div style="width: 600px; border: 2px solid green"></div>  
>> </div>

>> I can scroll to the right and keep scrolling and see the 50px gap.
>> Works in Firefox and Opera.   

It does "work" in Firefox and Opera, but it isn't right. As you say, the
container's right padding should be immediatley to the right of its
content area container, not at the right of its overflowing contents.

> I'm absolutely not saying that the above is the real correct interpretation,
> but it looks possible.

I think it absolutely is the real correct interpretation. There's no
justification for moving the container's padding just because its
descendents overflow.
Received on Sunday, 3 February 2008 23:07:49 UTC

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