Drawer

<div class="_c-drawer" data-c="drawer" style="min-height: 200px">
  <nav id="drawer" class="_c-drawer__body" data-c="drawer__body" role="navigation" aria-hidden="true">
    <ul class="_c-drawer__menu">
      <li class="_c-drawer__item"><a href="#">menu</a></li>
      <li class="_c-drawer__item"><a href="#">menu</a></li>
      <li class="_c-drawer__item">
        <a href="#">menu</a>
        <div class="_c-drawer__toggle" data-c="drawer__toggle" aria-expanded="false">
          <span class="_ic-angle-right" aria-hidden="true"></span>
        </div>
        <ul class="_c-drawer__submenu" data-c="drawer__submenu" aria-hidden="true">
          <li class="_c-drawer__subitem"><a href="#">submenu</a></li>
          <li class="_c-drawer__subitem"><a href="#">submenu</a></li>
        </ul>
      </li>
    </ul>
  </nav>
</div>

<div class="_c-hamburger-btn" data-c="drawer-btn" aria-expanded="false" aria-controls="drawer">
  <div class="_c-hamburger-btn__bar"></div>
  <div class="_c-hamburger-btn__bar"></div>
  <div class="_c-hamburger-btn__bar"></div>
</div>