body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  color: #333;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #0073e6;
}

form {
  margin-top: 20px;
}

label {
  font-weight: bold;
}

select, button {
  padding: 10px;
  margin-top: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  width: 100%;
}

button {
  background-color: #0073e6;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background-color: #005bb5;
}

.result {
  margin-top: 30px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
}