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

:root {
  --flag-height: 4;
  --flag-width: 5;
  --monaco-red: #ce1126;
  --monaco-white: #ffffff;
}

#monaco {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(
    180deg,
    var(--monaco-red) 0%,
    var(--monaco-red) 50%,
    var(--monaco-white) 50%,
    var(--monaco-white) 100%
  );
}