W3C home > Mailing lists > Public > www-style@w3.org > April 2014

[css-flexbox] percentage paddings, again

From: Christian Biesinger <cbiesinger@google.com>
Date: Wed, 16 Apr 2014 16:04:54 -0700
Message-ID: <CAPTJ0XGJt_kEdUZxub41HPLsOP81Q6iwvD12VVc7qO91CpP1Tg@mail.gmail.com>
To: www-style list <www-style@w3.org>
Cc: Ojan Vafai <ojan@chromium.org>
Hi all,

I'd like to get back to the discussion on whether padding-top/bottom
should resolve relative to width or height. The spec says right now:

"Percentage margins and paddings on flex items are always resolved
against their respective dimensions; unlike blocks, they do not always
resolve against the inline dimension of their containing block."

However, neither IE nor Chrome implement this right now (Firefox does):
(if the two boxes look the same, that part is not implemented)

I don't know of a use case for this difference; it is not clear why
flex items should be different from all other CSS boxes in this
respect. What's more,
https://code.google.com/p/chromium/issues/detail?id=229568#c7 has a
use case for not having this difference.

Considering that two out of three browsers don't implement this, any
chance to get the spec changed?

Received on Wednesday, 16 April 2014 23:05:23 UTC

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