Steps to reproduce the issue

Login to admin and set "highlight links" in your Accessibility Settings to yes.
Click Save.
Note that there is a red box around all three icons at top

Click to some other page

note that now Private messages has no red box

Expected result

red box around all three icons at top

Actual result

System information (as much as possible)

Safari on Mac

Additional comments

another example where these green items have no red box both the other links above them do