body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f2f2f2;
}

.form-box {
  max-width: 500px;
  background: white;
  margin: auto;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

label, select, input {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  font-size: 16px;
}

.price-display {
  font-weight: bold;
  margin: 10px 0;
  font-size: 18px;
  color: #333;
}

.btn {
  background-color: #007BFF;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 100%;
  margin-top: 15px;
  font-size: 16px;
}

.btn:hover {
  background-color: #0056b3;
}