body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, sans-serif;
  text-align: center;
  color: #1f2933;
  background: #f5f7fa;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #e4e7eb;
    background: #1f2933;
  }
}