body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #333;
}
header {
  background: #0073e6;
  color: white;
  text-align: center;
  padding: 40px 20px;
}
header h1 {
  margin: 0;
  font-size: 2.5em;
}
section {
  padding: 40px 20px;
  text-align: center;
}
section h2 {
  color: #0073e6;
  margin-bottom: 15px;
}
.buttons {
  margin-top: 20px;
}
.btn {
  text-decoration: none;
  padding: 10px 20px;
  margin: 5px;
  border-radius: 5px;
  background: #0073e6;
  color: white;
  font-weight: bold;
  transition: 0.3s;
}
.btn:hover {
  background: #005bb5;
}
footer {
  text-align: center;
  background: #333;
  color: white;
  padding: 15px;
}