Bootstrap button - remove outline on Chrome OS X

Question

I am looking to achieve this: http://getbootstrap.com/javascript/#popovers-examples - scroll to the \"live Demo\" and hit the red popover button, in Chrome on OS X.... It\'s per

Answer 1

If the above answers still do not work, add this:

button:focus{
    outline: none!important;
    box-shadow:none;
}