.aabtn.focus, .aabtn:focus,
.btn-link.focus,
.btn-link:focus,
.nav-link.focus,
.nav-link:focus,
.editor_atto_toolbar button.focus,
.editor_atto_toolbar button:focus,
.editor_atto_toolbar .atto_toolbar_row.focus,
.editor_atto_toolbar .atto_toolbar_row:focus,
[role=button].focus,
[role=button]:focus,
.list-group-item-action.focus,
.list-group-item-action:focus,
input[type=checkbox].focus,
input[type=checkbox]:focus,
input[type=radio].focus,
input[type=radio]:focus,
input[type=file].focus,
input[type=file]:focus,
input[type=image].focus,
input[type=image]:focus,
.visually-hidden-focusable.focus,
.visually-hidden-focusable:focus,
a.dropdown-toggle.focus,
a.dropdown-toggle:focus,
.moodle-dialogue-base .closebutton.focus,
.moodle-dialogue-base .closebutton:focus,
button.btn-close.focus,
button.btn-close:focus,
.form-autocomplete-selection.focus,
.form-autocomplete-selection:focus,
[role=treeitem]:not([aria-expanded=true]).focus,
[role=treeitem]:not([aria-expanded=true]):focus {
  outline: none;
  box-shadow: none;
}