body {
  font-family: Arial, sans-serif;
  background: #f3f3f3;
  margin: 0;
  padding: 0;
}

header {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 20px;
}

main {
  max-width: 600px;
  margin: 30px auto;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input, select, textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  width: 100%;
}

button {
  padding: 12px;
  background: #0066cc;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #004a99;
}

footer {
  text-align: center;
  padding: 15px;
  background: #222;
  color: #fff;
  margin-top: 30px;
}