// map deep get
@function map-deep-get($map, $keys...) {
    @each $key in $keys {
        @if map-has-key($map, $key) {
            $map: map-get($map, $key);
        } @else {
            @error "arguments are:#{$keys}, no key #{$key} found, did you mean #{map-keys($map)}?";
        }
    }
    @return $map;
}