/* Reset & base */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f5f5f5;
  color: #333;
  text-align: center;
}

header {
  background-color: #222;
  color: #fff;
  padding: 50px 20px;
}

header h1 {
  margin: 0 0 10px;
  font-size: 2.5rem;
}

main {
  padding: 40px 20px;
}

section {
  margin-bottom: 40px;
}

h2 {
  font-size: 1.8rem;
  color: #222;
}

a {
  color: #0077cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  background-color: #222;
  color: #fff;
  padding: 20px;
}