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

:root {
  --flag-height: 1;
  --flag-width: 2;
  --nigeria-green: #008751;
  --nigeria-white: #ffffff;
}

#nigeria {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(
    90deg,
    var(--nigeria-green) 0%,
    var(--nigeria-green) 33.333%,
    var(--nigeria-white) 33.333%,
    var(--nigeria-white) 66.666%,
    var(--nigeria-green) 66.666%,
    var(--nigeria-green) 100%
  );
}