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

I had the same problem with bootstrap. I solved with both outline and box-shadow

.btn:focus, .btn.focus {
    outline: none !important;
    box-shadow: 0 0 0 0 rgba(0, 123, 255, 0) !important; // or none
}