Default
<button class="a-hamburger js-hamburger ">
<span class="a-hamburger__container">
<span class="a-hamburger__bar a-hamburger__bar--top"></span>
<span class="a-hamburger__bar a-hamburger__bar--middle"></span>
<span class="a-hamburger__bar a-hamburger__bar--bottom"></span>
<span class="a-hamburger__line a-hamburger__line--top-left"></span>
<span class="a-hamburger__line a-hamburger__line--top-right"></span>
<span class="a-hamburger__line a-hamburger__line--bottom-left"></span>
<span class="a-hamburger__line a-hamburger__line--bottom-right"></span>
</span>
</button>