bulmaBurger menu example

<nav class="navbar" role="navigation" aria-label="main navigation">
  <div class="navbar-brand">
    <a role="button" class="navbar-burger" aria-label="menu" aria-expanded="false" data-target="burger"
       onclick="document.querySelector('.navbar-menu').classList.toggle('is-active');document.querySelector('.navbar-burger').classList.toggle('is-active');">
      <span aria-hidden="true"></span>
      <span aria-hidden="true"></span>
      <span aria-hidden="true"></span>
    </a>
  </div>

  <div id="burger" class="navbar-menu">
    <div class="navbar-start">
      <a class="navbar-item">Menu item</a>
    </div>

    <div class="navbar-end"></div>
  </div>
</nav>ctrl + cgithub

`class="navbar-burger"` burger icon button	`data-target="burger"` specify id of an element to attach burger button to
`div id="burger"` menu container to open/close on burger click	`onclick` example js handler that activates the burger and will run on burger click

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