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

:root {
  --flag-height: 2;
  --flag-width: 3;
  --portugal-green: #006600;
  --portugal-red: #ff0000;
}

#portugal {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(
    90deg,
    var(--portugal-green) 0%,
    var(--portugal-green) 40%,
    var(--portugal-red) 40%,
    var(--portugal-red) 100%
  );
}