body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body > div > main {
  max-width: none;
  padding: 0;
}

.floating {
  animation: floating 4s ease-in-out infinite;
}

@keyframes floating {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}