style: Odd outline in Chrome

The problem appears when you click on menu bar buttons. The outline remains until you focus something else and it looks odd.
![image](https://user-images.githubusercontent.com/39462442/61801722-d7f92180-ae61-11e9-89e4-d106aafee1a3.png)


Chrome ver: 75.0.3770.142, Win 10.
Same on mobile.
This doesn't appear in Firefox.