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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Webkit supports generated content on any element"
   href="https://bugs.webkit.org/show_bug.cgi?id=155820">155820</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Webkit supports generated content on any element
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>Safari 9
          </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>CSS
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>gwhit&#64;microsoft.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>What steps will reproduce the problem?
(1) Open <a href="https://jsfiddle.net/btw9uqn6/">https://jsfiddle.net/btw9uqn6/</a>

What is the expected output?
No image is seen

What do you see instead?
An image is inserted into the DOM element

Additional information:
-----------------------
Gecko: No Repro
Edge: No Repro
Webkit: Repro
Blink: Repro

What the specs say
-----------------------
The CSS 2.1 specification states (<a href="https://www.w3.org/TR/CSS2/generate.html#content">https://www.w3.org/TR/CSS2/generate.html#content</a>) that it applies to :before and :after psuedo elements. While the css-content-3 allow for it to be on all elements but this specification is not ready for implementation per the red error note (<a href="https://drafts.csswg.org/css-content-3/#inserting-replacing-content">https://drafts.csswg.org/css-content-3/#inserting-replacing-content</a>).</pre>
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      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
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