.container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1em;
  font-size: 2.4em;
}

@media (prefers-color-scheme: dark) {
  .container {
    background: black;
    color: white;
  }
}