code-block-buttons.css

/* "Copy" code block button, style from docusaurus v2 */

.code-block-with-actions {
  position: relative;
}

.code-block-actions {
  position: absolute;
  top: 10px;
  right: 10px;
}

.code-block-copy-button {
  width: 32px;
  height: 32px;
  border: 1px solid #dadde1;
  border-radius: 6px;
  display: flex;
  transition: opacity 0.2s ease-in-out;
  opacity: 0;
  position: relative;
  cursor: pointer;
  color: #393a34;
  background-color: #f6f8fa;
}

.code-block-with-actions:hover .code-block-copy-button {
  opacity: 0.4;
}

.code-block-with-actions:hover .code-block-copy-button:hover {
  opacity: 1;
}

.code-block-copy-button__icon {
  fill: currentColor;
  position: absolute;
  width: 18px;
  height: 18px;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  transition: 0.15s;
}

.code-block-copy-button__icon--copied {
  color: #00d600;
  opacity: 0;
  transform: scale(0.33);
}

.code-block-copy-button--copied .code-block-copy-button__icon--copy {
  opacity: 0;
  transform: scale(0.33);
}

.code-block-copy-button--copied .code-block-copy-button__icon--copied {
  transition-delay: 75ms;
  transform: scale(1);
  opacity: 1;
}