:root {
  --animation-duration-quick: 200ms;
  --animation-duration-normal: 350ms;
  --animation-duration-slow: 600ms;
  --animation-timing-ease-in-out: ease-in-out;
  --animation-timing-ease-out: ease-out;
  --box-shadow: 0px 3px 6px rgba(100, 100, 100, 0.15);
}