body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #e8f0fe;
  color: #333;
}

header, footer {
  background: #004080;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

nav a {
  color: #cce0ff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #ffffff;
}

main {
  padding: 2rem;
  background: #ffffff;
  max-width: 800px;
  margin: auto;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form label {
  display: block;
  margin-top: 1rem;
}

form input, form textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.5rem;
  box-sizing: border-box;
}

form button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: #0078D7;
  color: white;
  border: none;
  cursor: pointer;
}

form button:hover {
  background: #005a9e;
}