body {
  background-color: #333333;
  transition: background-color 1.5s ease, color 1.0s ease;
  color: white;
  font-family: Arial, sans-serif;
  padding: 40px;
  text-align: center;
}

h1 {
  margin-bottom: 40px;
}

.section {
  margin-bottom: 30px;
}

label {
  font-weight: bold;
  margin-right: 10px;
}

select {
  margin: 0 5px;
  padding: 5px;
  font-size: 14px;
}

button {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 16px;
  background-color: #555;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #777;
}