/* Same basic styling */
.converter-container {
  background: #fff;
  padding: 1rem;
  max-width: 400px;
  margin: 2rem auto;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.converter-form label,
.converter-form input,
.converter-form button {
  display: block;
  width: 100%;
  margin-bottom: 0.5rem;
}
.converter-form input,
.converter-form button {
  padding: 0.5rem;
  font-size: 1rem;
}