i>Graphics Interchange Format (GIF)</li>
         <li>Animated Portable Network Graphics (APNG)</li>
      </ul>
   </section><section class="examples"><h2>Examples</h2>
      <ul>
         <li>A page contains a blinking banner intended to draw the user's attention to it. The banner is an animated gif image which repeats indefinitely. The user presses the "escape" key, which causes the user agent to stop the animation of all animated gif images on the page.</li>
      </ul>
   </section><section class="test