[wp-trac] [WordPress Trac] #43197: Nesting @media rule inside @supports rule fails CSS validation

WordPress Trac noreply at wordpress.org
Fri Jun 27 21:06:31 UTC 2025


#43197: Nesting @media rule inside @supports rule fails CSS validation
-------------------------+-------------------------------------------------
 Reporter:  neoqueto     |       Owner:  (none)
     Type:  defect       |      Status:  closed
  (bug)                  |
 Priority:  normal       |   Milestone:
Component:  Customize    |     Version:  4.9.2
 Severity:  normal       |  Resolution:  worksforme
 Keywords:               |     Focuses:  ui, css, administration, coding-
                         |  standards
-------------------------+-------------------------------------------------
Changes (by westonruter):

 * keywords:  dev-feedback =>
 * status:  new => closed
 * resolution:   => worksforme
 * milestone:  Awaiting Review =>


Comment:

 I'm not seeing any CSS validation errors in core currently with a nested
 at-rule, either in the Customizer or in the Theme File Editor.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43197#comment:4>
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