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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Shadow DOM: #id::slotted() does not apply styles"
   href="https://bugs.webkit.org/show_bug.cgi?id=160538">160538</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Shadow DOM: #id::slotted() does not apply styles
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari Technology Preview
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>HTML DOM
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ericbidelman&#64;chromium.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>cdumez&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=285300" name="attach_285300" title="repro of #id::slotted not working">attachment 285300</a> <a href="attachment.cgi?id=285300&amp;action=edit" title="repro of #id::slotted not working">[details]</a></span>
repro of #id::slotted not working

Prefixing `::slotted()` with an #id selector does apply the styling.

Repro: <a href="http://jsbin.com/qetofazevu/edit?html,output">http://jsbin.com/qetofazevu/edit?html,output</a>

  &lt;nav&gt;
    &lt;span&gt;Hello&lt;/span&gt;
    &lt;span&gt;world&lt;/span&gt;
  &lt;/nav&gt;

  &lt;template&gt;
    &lt;style&gt;
      #s::slotted(*) {
        background: red;
      }
    &lt;/style&gt;
    &lt;slot id=&quot;s&quot;&gt;&lt;/slot&gt;
  &lt;/template&gt;

  &lt;script&gt;
    var t = document.querySelector('template');
    t.content.cloneNode(true);
    var nav = document.querySelector('nav');
    nav.attachShadow({mode:'open'}).appendChild(t.content.cloneNode(true));
  &lt;/script&gt;

Notes: 
- using `::slotted(*)` and `slot::slotted(*)` does apply the styling.
- repro works in Chrome 53+</pre>
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