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

:root {
  --flag-height: 2;
  --flag-width: 3;
  --peru-red: #d91023;
  --peru-white: #ffffff;
}

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