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

.calculator {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
}

label {
  display: flex;
  flex-direction: column;
}

.results {
  margin-top: 20px;
  background: #f5f5f5;
  padding: 15px;
  border-radius: 5px;
}