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

.container {
  width: 600px;
  margin: 40px auto;
}

.option {
  margin-bottom: 8px;
}

.option input {
  margin-right: 10px;
}

.buttons {
  margin: 10px 0;
}

#result {
  font-weight: bold;
  margin-top: 15px;
}