carbon-components/src/components/copy-button/copy-button.html

Carbon Components is a component library for IBM Cloud

<button data-copy-btn class="bx--btn bx--btn--primary bx--btn--copy bx--btn--sm">
  Copy button
  <svg class="bx--btn__icon" width="16" height="16" viewBox="0 0 16 16" fill-rule="evenodd">
    <path d="M8 0C3.6 0 0 3.6 0 8s3.6 8 8 8 8-3.6 8-8-3.6-8-8-8zm4 9H9v3H7V9H4V7h3V4h2v3h3v2z"></path>
  </svg>
  <div class="bx--btn--copy__feedback" data-feedback="Copied!"></div>
</button>