#spaceweight-tool {
  background-color: #f5f5f5;
  padding: 2rem;
  border-radius: 8px;
  margin-top: 2rem;
}

#weight-form {
  display: grid;
  gap: 1rem;
}

#result {
  margin-top: 1.5rem;
  font-weight: bold;
  font-size: 1.2rem;
}