$elevation-data: (
  light: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.1),
  medium: 0 0.25rem 1.5rem rgba(0, 0, 0, 0.15),
  strong: 0 0.375rem 2.25rem rgba(0, 0, 0, 0.2),
  base: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.1),
  md: 0 0.25rem 1.5rem rgba(0, 0, 0, 0.15),
  lg: 0 0.375rem 2.25rem rgba(0, 0, 0, 0.2),
);

@function elevation($variant: base) {
  $fetched-value: map-get($elevation-data, $variant);

  @if $fetched-value == null {
    @error "Elevation variant `#{$variant}` not found.";
  }

  @return $fetched-value;
}