@each $cls, $icon in $menu-icons { .zotero-menuitem-#{$cls} { // If icon starts with "light-dark:", use light and dark icon @if str-slice($icon, 0, 11) == "light-dark:" { @include focus-states using ($color) { @include svgicon-menu(str-slice($icon, 12), $color, "16"); } } @else { @include svgicon-menu($icon, "universal", "16", false, false, false); } } };