WindBox

example

new WindBox('.windbox')

<div class="windbox">
  <div class="windbox__item">
      <button type="button" class="windbox__item-head" >Item 1</button>
      <div class="windbox__item-content">
          Item-1 summary
      </div>
  </div>
  <div class="windbox__item">
      <button type="button" class="windbox__item-head" >Item 1</button>
      <div class="windbox__item-content">
          Item-1 summary
      </div>
  </div>
  <div class="windbox__item">
      <button type="button" class="windbox__item-head" >Item 1</button>
      <div class="windbox__item-content">
          Item-1 summary
      </div>
  </div>
</div>