erNode: e.target,
            content: (dialogOverlayNode, dialogNode) => {

              render(html`
                <h1>Im rendered by lit-html!</h1>
                <button @click=${() => dialog.close()}>Close</button>
                <button @click=${() => dialog.close()}>Close</button>
                <button @click=${() => dialog.close()}>Close</button>
              `, dialogOverlayNode);
            }
          });
        });

        dialog.addEventListener('dialog-opened', () => {
          con