- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Fri, 15 Mar 2013 09:17:51 -0700
- To: James Holderness <j4_james@hotmail.com>
- Cc: Ojan Vafai <ojan@chromium.org>, Andrew Fedoniouk <news@terrainformatica.com>, www-style list <www-style@w3.org>
On Fri, Mar 15, 2013 at 5:57 AM, James Holderness <j4_james@hotmail.com> wrote: >> What are the use-cases for percentage margin/padding? The block approach >> is >> easier to implement. I agree that flexbox and grid should be consistent >> with each other, but unless we have actual use-cases, I don't see the >> benefit (beyond theoretical purity) of diverging from the block behavior. > > The most common use-case I'm aware of is for creating blocks with a specific > aspect ratio that can still scale to fit the width of their container. For > example, you set the width to 100%, the height to 0, and padding-top to 75%, > and your block will fill the width of its container while retaining a > constant 4:3 aspect ratio. > > Obviously this relies on the current block behaviour. I don't know whether > there are perhaps better ways of accomplishing the same thing with flexbox > and grid. The better way is for us to add the aspect-ratio property, like how I have it documented on my blog: <http://www.xanthir.com/blog/b4810> (This proposal, as written, won't work, but it's close.) ~TJ
Received on Friday, 15 March 2013 16:18:38 UTC