<div style="width: 700px; margin: auto;">
<div class="W1-h16">
<ul>
<li class="has-sub"><a href="#">Menu 1</a>
<ul>
<li class="has-sub"><a href="#">Submenu 1.1</a>
<ul>
<li><a href="#">Submenu 1.1.1</a></li>
<li class="has-sub"><a href="#">Submenu 1.1.2</a>
<ul>
<li><a href="#">Submenu 1.1.2.1</a></li>
<li><a href="#">Submenu 1.1.2.2</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#">Submenu 1.2</a></li>
</ul>
</li>
<li class="has-sub"><a href="#">Menu 2</a>
<ul>
<li><a href="#">Submenu 2.1</a></li>
<li><a href="#">Submenu 2.2</a></li>
</ul>
</li>
<li class="has-sub"><a href="#">Menu 3</a>
<ul>
<li><a href="#">Submenu 3.1</a></li>
<li><a href="#">Submenu 3.2</a></li>
</ul>
</li>
</ul>
</div>
</div>

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