Remove blue border from css custom-styled button in Chrome

Question

I\'m working on a web page, and I want custom-styled tags. So with CSS, I said: border: none. Now it works perfectly in safari, but

Answer 1

Most of the solutions will not work if you're using Bootstrap 4.1 and possibly other versions. After much head banging, I discovered you need to apply the shadow-none class:

Bootstrap (4.1) button without shadow