[wp-trac] [WordPress Trac] #27861: TB_iframe is placed below the left menu in WordPress 3.9

[WordPress Trac]

#27861: TB_iframe is placed below the left menu in WordPress 3.9
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 Reporter:  KalleL        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  3.9
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  ui
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Changes (by celloexpressions):

 * keywords:   => needs-patch
 * focuses:   => ui


Comment:

 Thanks for the report, KalleL!

 I noticed this same issue with a core modal on one site, but had trouble
 replicating again. Then I ran into it on another site. The plugin details
 modal on the updates screen also exhibits the bug (it uses a thickbox).

 Specifically, this is an issue when the sticky admin menu is active (menu
 height is smaller than window height), in that the menu displays above the
 overlay. It becomes more of an issue at smaller widths when the menu is on
 top of the modal window. The fix should be a matter of tweaking z-indexes
 of the modal and the overlay, probably to match those.

 This is a 3.9 regression, so it should be considered for 3.9.1.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27861#comment:2>
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