[wp-trac] [WordPress Trac] #34344: Expanded section margin-top glitches when other section is deactivated

[WordPress Trac]

#34344: Expanded section margin-top glitches when other section is deactivated
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 Reporter:  westonruter   |       Owner:  ryankienstra
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  4.5
Component:  Customize     |     Version:  4.2
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  javascript
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Changes (by westonruter):

 * owner:  westonruter => ryankienstra


Comment:

 @ryankienstra @delawski This is closely related to what you've been
 working on for #35947.

 In fact, I would have thought that @ryankienstra's [https://github.com/xwp
 /wordpress-develop/pull/145 PR] would have fixed the issue as it
 describes:

 > This occurs when there are many panels, using the code provided in the
 ticket to produce the panels. The non-active sections and panels still
 occupied space in the DOM. So the active panel had a margin-top property
 to move it to the top. This PR sets the height of the non-active sections
 to 0. And it doesn't add a margin-top value to the active panel's content.

 Nevertheless, the issue also happens with [https://github.com/xwp
 /wordpress-develop/commit/334473cb0975541e7b46935caa50061ec235fd45
 334473c] checked out.

 Your experience here is appreciated. If it's not something that can be
 figured out over the next several days, this is probably something that
 we'll need to punt for the next release.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34344#comment:6>
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