Annoying Drop-Down Boxes in Admin Area

How do I stop the drop-down boxes in the administration area from blinking?  Specifically, those that I am referring to are under Appearance / Menu Items.  The blink happens when my cursor goes from the drop-down selector to the list of items that drop down after clicking the selector.  I imagine that it's some JavaScript that I could delete or comment out.  I just need to know where to find it, if anyone can tell me.  Thanks.

Feedback and Planning

Feedback and Planning

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