/* Touch devices keep focus after a tap. Do not show a black browser outline
   over the diagram; the active peach state remains the visual feedback. */
@media (max-width: 767px), (hover: none) and (pointer: coarse) {
    html body .otdelka-top-2 .photo .sel:focus,
    html body .otdelka-top-2 .photo .sel:focus-visible,
    html body .otdelka-top-2 .nav-tabs > li > a:focus,
    html body .otdelka-top-2 .nav-tabs > li > a:focus-visible,
    html body .otdelka-top-2 .nav-tabs > li > a .orange-square:focus,
    html body .otdelka-top-2 .nav-tabs > li > a .orange-square:focus-visible {
        outline: 0 !important;
        -webkit-tap-highlight-color: transparent;
    }
}