[wp-trac] [WordPress Trac] #56789: Toolbar: screen-reader-shortcut does not have background color until focused

[WordPress Trac]

#56789: Toolbar: screen-reader-shortcut does not have background color until
focused
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 Reporter:  sabernhardt                          |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  6.2
Component:  Toolbar                              |     Version:
 Severity:  minor                                |  Resolution:
 Keywords:  has-patch needs-testing has-         |     Focuses:
  screenshots needs-testing-info                 |  accessibility, css
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Comment (by afercia):

 This isn't a real problem for users, as when the element is visible the
 contrast is OK. WAVE reports a false positive because it isn't aware the
 element is positioned off screen and thus isn't actually visible.

 Note that all automated accessibility checkers often report false
 positives related to contrast as in some cases they can't understand what
 the actual background color is (think for example at an element with no
 explicit background color set).

 That said, it would be cleaner to change on focus only the CSS properties
 that bring the element into view, if that doesn't break anything.

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Ticket URL: <https://core.trac.wordpress.org/ticket/56789#comment:7>
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