@mixin transition($properties...) {
    $unfolded: ();

    @for $i from 1 through length($properties) {
        $prop: nth($properties, $i);

        @if ($i == 1) {
            $unfolded: unquote($prop) 0.3s ease-in-out;
        }

        @else {
            $unfolded: $unfolded, unquote($prop) 0.3s ease-in-out;
        }
    }

    transition: $unfolded;
}