Closed
Bug 1086599
Opened 10 years ago
Closed 7 years ago
border-box with max-width and percent padding results in incorrect positioning after window resize
Categories
(Core :: Layout: Block and Inline, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 1307853
People
(Reporter: jsitter, Unassigned)
Details
Attachments
(1 file)
826 bytes,
text/html
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Details |
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:34.0) Gecko/20100101 Firefox/34.0 Build ID: 20141014134955 Steps to reproduce: 1. Set -moz-box-sizing: border-box on all elements. 2. Create a div inside another div. 3. Give the outer div a max-width in pixels and a horizontal padding in percent. Actual results: Resize the browser window. The size of the inner div will change. This is most easily seen if you put a border on each div. This is also present in WebKit, although it manifests itself slightly differently: https://bugs.webkit.org/show_bug.cgi?id=137922 Here's a Stack Overflow thread about the issue with links to jsfiddles: http://stackoverflow.com/questions/18139760/border-box-padding-max-width-jumping-elements http://jsfiddle.net/Fw4dg/2/embedded/result/
Comment 1•10 years ago
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> Resize the browser window. The size of the inner div will change.
You mean it _should_ change but doesn't?
Flags: needinfo?(jsitter)
No, it *does* change but shouldn't. I should have clarified that you need to narrow the viewport enough to constrain the outer div, narrower than its max-width.
Flags: needinfo?(jsitter)
I'm sorry, that was poorly worded; put another way, the padding on the outer div changes when it shouldn't. Of course the size of the inner div will change if the outer div is constrained by the viewport, but it changes more than it should, especially after the viewport is widened again.
Comment 4•10 years ago
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It looks like we initially calculate the percentage padding based on the preferred width, not taking 'max-width' into account.
Comment 5•7 years ago
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In a current nightly, I see the padding decrease smoothly as the viewport gets smaller. The behavior looks like it changed in this checkin range: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=f03e2740d604d339ed553dad62a3fc54c317f8fa&tochange=1391a2889aeb2bdd61ad6ef838e65826e35aabc2 Looks like bug 1307853 landed in that range, and pretty much describes this exact problem... Dupping forward.
Status: UNCONFIRMED → RESOLVED
Closed: 7 years ago
Resolution: --- → DUPLICATE
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Description
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