html,
body {
  margin: 0;
  padding: 0;
  background: black;
}

:root {
  --white: #ffffff;
  --red: #fc3e32;
  --green: #007e39;
  --flag-height: 150px;
  --flag-width: calc(var(--flag-height) * 3 / 2);
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Start styling */
.flag-madagascar {
  width: var(--flag-width);
  height: var(--flag-height);
  display: flex;
}

.stripe {
  flex-grow: 1;
}

.white + div {
  display: flex;
  flex-direction: column;
  flex-grow: 2;
}

.white {
  background-color: var(--white);
}

.red {
  background-color: var(--red);
}

.green {
  background-color: var(--green);
}