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<p> position : inside</p>
<ul class="inside">
  <li>Menu1</li>
  <li>Menu2</li>
  <li>Menu3</li>
</ul>
<p> position : outside</p>
<ul class="outside">
  <li>Menu1</li>
  <li>Menu2</li>
  <li>Menu3</li>
</ul>