body {
  font-family: sans-serif;
  padding: 10px;
}

h1 {
  text-align: center;
  margin-top: 0;
}

#toggle-theme {
  cursor: pointer;
}

/* Light theme */

.light-theme {
  background-color: white;
  color: black;
}

/* Dark theme */

.dark-theme {
  background-color: black;
  color: white;
}