:root {
  color-scheme: light dark;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #f2f5ff;
  color: #1f2a44;
}

main {
  width: min(90%, 560px);
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(31, 42, 68, 0.12);
}

a {
  display: inline-block;
  margin-top: 1rem;
  color: #1a73e8;
  text-decoration: none;
  font-weight: 700;
}

a:hover {
  text-decoration: underline;
}