/* reference: https://en.wikipedia.org/wiki/Flag_of_Spain */

:root {
  --flag-height: 2;
  --flag-width: 3;
  --spain-red: #c60b1e;
  --spain-yellow: #ffc400;
}

#spain {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(
    var(--spain-red) 0%,
    var(--spain-red) 25%,
    var(--spain-yellow) 25%,
    var(--spain-yellow) 75%,
    var(--spain-red) 75%,
    var(--spain-red) 100%
  );
}