body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 40px;
}
.container {
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
}
input, textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
}
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 6px;
}
.btn:hover {
  background-color: #0056b3;
}