body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

header {
  background: #4caf50;
  padding: 10px 0;
}

header ul {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0;
}

header li {
  margin: 0 10px;
}

header a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

#hero {
  background: #f0f0f0;
  text-align: center;
  padding: 50px 0;
}

#hero h1 {
  font-size: 2.5rem;
}

.btn {
  display: inline-block;
  background: #007acc;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 4px;
  margin: 10px 5px;
}

.btn:hover {
  background: #0061a1;
}

section {
  padding: 20px 0;
  text-align: center;
}

footer {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 10px 0;
}

footer a {
  color: #fff;
  text-decoration: underline;
  margin: 0 5px;
}