<div class="nav__wrapper">
<input type="checkbox" class="menu-checkbox">
<div class="nav" role="navigation">
<label for="menu-checkbox" class="toggle-button"> </label>
<ul class="nav__list">
<li class="nav__item">
<a > About</a>
</li>
<li class="nav__item">
<div class="sub__button">
<a >Help</a>
</div>
</li>
<li class="nav__item">
<a> Features </a>
</li>
</ul>
</div>
</div>