CSS Menu demo

HTML

<div class="collapsable">
  <input type="checkbox" id="faq1" />
  <label for="faq1">FAQ1</label>
  <div>
    Your FAQ goes here!
  </div>
  <input type="checkbox" id="faq2" />
  <label for="faq2">FAQ2</label>
  <div>
    Have fun with it!
  </div>
</div>

CSS

.collapsable input { display: none; }
.collapsable input + label + div { display: none }
.collapsable input:checked + label + div{ display: block; }

.collapsable label {
  cursor: pointer;
  display:block;
}