[wp-trac] [WordPress Trac] #44487: Apply link button in editor flickers in Chrome

[WordPress Trac]

#44487: Apply link button in editor flickers in Chrome
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 Reporter:  HairLoss57      |      Owner:  (none)
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Editor          |    Version:  4.9.6
 Severity:  normal          |   Keywords:  2nd-opinion
  Focuses:  administration  |
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 In the Chrome browser, when adding a link to text in the TinyMCE editor,
 the visibility of the box and button for applying the link flickers at a
 high frequency when the apply button is moused over. It is impossible to
 insert the link into the text. This does not happen in Firefox or IE Edge.

 By a process of elimination this appears to be a CSS problem that is in
 style sheets loaded by wp-admin/load-styles.php. If 'common' is removed
 the flickering stops but the box disappears when the mouse point is on the
 edge of the button. If 'admin-bar' is removed the flickering stops
 altogether.

 The HTML file I used to test this problem can be seen at
 http://keyfutures.biz/test-wp/admin-test.html

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Ticket URL: <https://core.trac.wordpress.org/ticket/44487>
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