[wp-trac] [WordPress Trac] #61656: Layout: Invalid CSS for nested fullwidth layouts with zeroed-out custom padding

[WordPress Trac]

#61656: Layout: Invalid CSS for nested fullwidth layouts with zeroed-out custom
padding
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 Reporter:  andrewserong  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  6.6.1
Component:  Editor        |    Version:  trunk
 Severity:  normal        |   Keywords:  gutenberg-merge
  Focuses:                |
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 An invalid CSS issue occurs when applying a padding rule of `0` to a full
 width group block, inside a full width group.

 This creates an unwanted horizontal scroll, as the nested fullwidth value
 is not properly negated.

 The fix is to treat `0` padding values as `0px` in the Layout block
 support, so that the `calc()` rule applies correctly. This has been fixed
 in Gutenberg in https://github.com/WordPress/gutenberg/pull/63436, and
 needs to be backported to core, ideally in WP 6.6.1.

 The issue is further described in this Gutenberg issue:
 https://github.com/WordPress/gutenberg/issues/63432

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Ticket URL: <https://core.trac.wordpress.org/ticket/61656>
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