[wp-trac] [WordPress Trac] #21324: Visible Focus within Admin Screens could be much clearer.

[WordPress Trac]

#21324: Visible Focus within Admin Screens could be much clearer.
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 Reporter:  grahamarmfield  |       Owner:
     Type:  task (blessed)  |      Status:  new
 Priority:  normal          |   Milestone:  3.5
Component:  Accessibility   |     Version:  3.4.1
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |
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Comment (by azaozz):

 Still a bit uneasy on blurring all links in the admin on click with JS.
 This could potentially break some functionality in plugins or external
 css. And of course this won't work when JS is disabled but not concerned
 too much about that. Unfortunately the other option (having another body
 class that turns this highlighting on) won't work as good.

 Some more thoughts after testing 21324.11.diff:

 - Why do we need `a:active {background: none;}` and then negate it here
 and there (the Text editor tab still needs a background when :active)?
 - Still missing clearly visible focus for checkboxes and radio buttons.
 Seems the best option for them would be an outline?
 - Maybe we should consider using a body class and making the focus even
 more prominent, perhaps adding outlines too as "high visibility" mode?

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Ticket URL: <http://core.trac.wordpress.org/ticket/21324#comment:43>
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