.copy-button {
  position: absolute;
  top: 4px;
  right: 4px;
  padding: 4px 8px;
  font-size: 12px;
  font-family: inherit;
  color: #333;
  background-color: #f2f2f2;
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
  z-index: 10;
  opacity: 0.6;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.copy-button:hover {
  opacity: 1.0;
  background-color: #e2e2e2;
}