How to remove Firefox's dotted outline on BUTTONS as well as links?

Question

I can make Firefox not display the ugly dotted focus outlines on links with this:

a:focus { 
    outline: none         


        

Answer 1

Tried most of the answers here, but none of them worked for me. When I realized that I have to get rid of the blue outline on buttons on Chrome too, I found another solution. Remove blue border from css custom-styled button in Chrome

This code worked for me on Firefox version 30 on Windows 7. Perhaps it might help somebody else out there :)

button:focus {outline:0 !important;}