[wp-trac] [WordPress Trac] #41850: Customize: Prevent panel sticky headers when scrolling if description is expanded

[WordPress Trac]

#41850: Customize: Prevent panel sticky headers when scrolling if description is
expanded
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 Reporter:  westonruter   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.9
Component:  Customize     |    Version:  4.7
 Severity:  normal        |   Keywords:  needs-patch
  Focuses:                |
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 When a section's description text is expandable and is included in the
 panel header area, it then becomes part of the area that is sticky when
 the panel is scrolled (per #34343). However, when the description is
 expanded and the user scrolls back up it can cause the header to jump
 unexpectedly:

 See demonstration of issue: https://youtu.be/TlgnUpo_8cQ

 The issue is more pronounced when the description text is longer, as will
 be the case in 4.9 for Custom CSS: https://github.com/WordPress/better-
 code-editing/pull/84

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Ticket URL: <https://core.trac.wordpress.org/ticket/41850>
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