body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
  color: #333;
}
header, footer {
  background: #005c99;
  color: white;
  padding: 1em;
  text-align: center;
}
nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}
main {
  padding: 20px;
}
form input, form textarea {
  width: 100%;
  padding: 8px;
  margin: 5px 0 15px 0;
  box-sizing: border-box;
}
form button {
  padding: 10px 20px;
  background: #005c99;
  color: white;
  border: none;
}