[wp-trac] [WordPress Trac] #64548: Admin Reskin: Update notice styling to align with WordPress Design System

[WordPress Trac]

#64548: Admin Reskin: Update notice styling to align with WordPress Design System
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 Reporter:  fabiankaegy     |       Owner:  (none)
     Type:  enhancement     |      Status:  new
 Priority:  normal          |   Milestone:  7.0
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  ui, accessibility, css
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Comment (by navi161):

 Status: Issues Seen❗


 The green, yellow and red background colors in the notices are slightly
 all lighter shades and do not match the Figma designs.

 Screens attached in the Attachment section
 Tested this on Playground using Github PR

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Ticket URL: <https://core.trac.wordpress.org/ticket/64548#comment:10>
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