body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0rem;
  padding-top: 6rem;
  padding-bottom: 4rem;
  background-color: #fff8c6;
  color: black;
  transition: background-color 0.4s, color 0.4s;
}

body.dark {
  background-color: #000000;
  color: #ffee00;
}

main {
  margin: 2rem auto;
  text-align: center;
}