@mixin mm_iconpanel_size($nr) {
    .mm-panel_iconpanel-#{$nr} {
        @if ($mm_IE11Fallbacks) {
            width: calc(100% - #{$mm_iconpanelSize * $nr});
        }

        width: calc(100% - (var(--mm-iconpanel-size) * #{$nr}));
    }
}