class="level2 nav-node"><a href="../../../guides/animation/">Animation</a></li>
    <li class="level3 nav-leaf"><a href="../../../guides/animation/part-1-basics/">Part 1: Animation Fundamentals</a></li>
    <li class="level3 nav-leaf"><a href="../../../guides/animation/part-2-signals/">Part 2: Using Signals</a></li>
    <li class="level3 nav-leaf"><a href="../../../guides/animation/part-3-timelines/">Part 3: Timeline Animations</a></li>
    <li class="level3 nav-leaf"><a href="../../../guides/animation/part