dev/snippets/config/skeletons/sample.html

{@inject-html}
<div class="snippet-container">
  <div class="snippet">
    <div class="snippet-description">
      {@end-inject-html}
      {{description}}
      {@inject-html}
    </div>
    <div class="copyable-container">
      <button class="copy-button-overlay copy-button" title="Copy to clipboard"
              onclick="copyTextToClipboard(findSiblingWithId(this, 'sample-code'));">
        <i class="material-icons copy-image">assignment</i>
      </button>
      <pre class="language-dart" id="sample-code">
        <code class="language-dart">{{code}}</code>
      </pre>
    </div>
  </div>
</div>
{@end-inject-html}