body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 40px 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  background-color: #f9f9f9;
  color: #333;
}

h1 {
  color: #2c3e50;
  margin-bottom: 20px;
}

h3 {
  color: #34495e;
  margin-top: 30px;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #ccc;
  text-align: center;
  font-size: 14px;
}