body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
}

header {
  background: #007bff;
  color: white;
  padding: 20px;
  text-align: center;
}

nav {
  background: #333;
  overflow: hidden;
  text-align: center;
}

nav a {
  color: white;
  padding: 14px 20px;
  display: inline-block;
  text-decoration: none;
}

nav a:hover {
  background-color: #555;
}

section {
  padding: 20px;
}

form input, form textarea {
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background: #28a745;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #218838;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 10px;
}