#uploadForm {
  max-width: 500px;
  margin: 2rem auto;
  padding: 2rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  background-color: #fafafa;
}

#uploadForm h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: bold;
}

.form-group input[type="file"] {
  width: 100%;
  padding: 0.5rem 0;
  font-size: 1rem;
}

.hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #666;
}