a:focus-visible, button:focus-visible, .dropdown-toggle:focus-visible, .navbar a:focus-visible, .navbar .dropdown-toggle:focus-visible, a:focus, button:focus, .dropdown-toggle:focus, .navbar a:focus, .navbar .dropdown-toggle:focus {
     outline: 3px solid #005fcc !important;
     outline-offset: 2px !important;
}
 .blackbar .nav > li > a:focus, .blackbar .nav > li > a:focus-visible {
     outline: 3px solid #005fcc !important;
     outline-offset: 3px !important;
}
 
/* External link icon styling */
.external-link-icon {
    display: inline-block;
    margin-left: 0.3em;
    width: 0.875em;
    height: 1em;
    vertical-align: -0.125em;
    fill: currentColor;
}