.dropdown-item:focus, .nav-item:focus, .nav-link:focus, .navbar-brand:focus, .social-link:focus  {background-color:white; color:black;}
.card > a:focus {background-color:white; color:black;}
.social > a:focus {background-color:white; color:black;}
.abstract-link > a:focus {background-color:white; color:black;}
.card.about > a:focus {background-color:white; color:black!important;}
a.mybrand:focus {background-color:white; color:black!important;}
a:focus-visible {background-color:white; color:#990000!important;}
a:focus {background-color:white; color:#990000!important;}