body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background: #f4f4f9;
  color: #333;
}
h1 {
  color: #0078d7;
}
a {
  color: #0078d7;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}