.tool-box {
  border: 1px solid #ddd;
  padding: 1rem;
  border-radius: 6px;
  max-width: 720px;
}

.tool-box label {
  display: block;
  margin-top: 1rem;
  font-weight: bold;
}

.tool-box textarea,
.tool-box input {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
}

.tool-box button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  font-weight: bold;
}

.tool-box pre {
  margin-top: 1rem;
  background: #f6f8fa;
  padding: 0.75rem;
}