:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #0a8faa;
  color: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  min-height: 100vh;
  min-height: 100svh;
}

.visuel {
  /* Show the artwork, excluding the empty strip below it in the screenshot. */
  aspect-ratio: 3186 / 1353;
  overflow: hidden;
}

.visuel img {
  display: block;
  width: 100%;
  height: auto;
}

.annonce {
  padding: clamp(2rem, 5vw, 5rem) 1.25rem;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
  overflow-wrap: break-word;
}