$variables: (
  'primary': #3a9acd,
  'error': #e83b35,
  'border-radius': 3px,
  'border-color': #eaeaea,
  'input-color': #f2f2f2,
);

@function GetVariable($key) {
  @return var(--vue-elder-#{$key}, map-get($variables, $key));
}