html {
  color-scheme: light dark;
  font: 20px/1.5 Tahoma, Verdana, Arial, sans-serif
}

main {
  margin: 3rem auto;
  width: 25rem
}

h1, h2, p {
  font-weight: lighter
}

h1 {
  margin-bottom: 3rem
}

a {
  color: #27a2cc;
  text-decoration: none
}