:root {
  --white-150: hsla(240, 17%, 90%, 1);
  
  --black-850: hsla(240, 17%, 10%, 1);
  
  --red-400: hsla(0, 100%, 60%, 1);
  --red-600: hsla(0, 100%, 40%, 1);
  
  --yellow-400: hsla(60, 100%, 60%, 1);
  --yellow-700: hsla(50, 100%, 30%, 1);
  
}