chromium/content/test/data/accessibility/html/layout-table-in-button.html

<div tabindex=-1 role=button>
  <div style="display: table">
    <div style="display: table-row">
      <div style="display: table-cell">
        <div aria-label="Conversation with Foo. 0 unread messages.">
          <span>Foo</span>
        </div>
      </div>
    </div>
  </div>
</div>