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

:root {
  --flag-height: 3;
  --flag-width: 5;
  --burundi-red: #ce1126;
  --burundi-green: #1eb53a;
  --burundi-white: #ffffff;
}

#burundi {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: conic-gradient(
    var(--burundi-green) 0deg 90deg,
    var(--burundi-red) 90deg 180deg,
    var(--burundi-green) 180deg 270deg,
    var(--burundi-red) 270deg 360deg
  );
}

#burundi::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg,
      transparent 40%,
      var(--burundi-white) 40%,
      var(--burundi-white) 60%,
      transparent 60%
    ),
    linear-gradient(-45deg,
      transparent 40%,
      var(--burundi-white) 40%,
      var(--burundi-white) 60%,
      transparent 60%
    );
}