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

[WordPress Trac]

#43197: Nesting @media rule inside @supports rule fails CSS validation
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 Reporter:  neoqueto     |       Owner:
     Type:  defect       |      Status:  new
  (bug)                  |   Milestone:  Awaiting Review
 Priority:  normal       |     Version:  4.9.2
Component:  Customize    |  Resolution:
 Severity:  normal       |     Focuses:  ui, administration, coding-
 Keywords:               |  standards
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Comment (by westonruter):

 See also #42528. It's probably a bug with CSSLint.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43197#comment:1>
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