<div id="accordion3" class="collapseblock">
  <div class="cardsmall">
    <div class="cardsmall-header">
      <span class="arrowed" id="headingGeneral" data-toggle="collapse" data-target="#collapseGeneralTab" aria-expanded="false" aria-controls="collapseGeneralTab">
                                        Test1
                                    </span>
    </div>
    <div id="collapseGeneralTab" class="collapse" aria-labelledby="headingGeneral" data-parent="#accordion3">
      <div class="cardsmall-content">
        Example1
      </div>
    </div>
  </div>
  <div class="cardsmall">
    <div class="cardsmall-header">
      <span class="arrowed" id="headingCurrency" data-toggle="collapse" data-target="#collapseCurrency" aria-expanded="false" aria-controls="collapseCurrency">
                                        Test2
                                    </span>
    </div>
    <div id="collapseCurrency" class="collapse" aria-labelledby="headingCurrency" data-parent="#accordion3">
      <div class="cardsmall-content">
        <div id="accordion4" class="collapseblock">
          <div class="cardsmall">
            <div class="cardsmall-header">
              <span class="arrowed" id="headingOffers" data-toggle="collapse" data-target="#collapseOffers" aria-expanded="false" aria-controls="collapseOffers">
                                                        Test2.1
                                                    </span>
            </div>
            <div id="collapseOffers" class="collapse" aria-labelledby="headingOffers" data-parent="#accordion4">
              <div class="cardsmall-content">
                Example2.1
              </div>
            </div>
          </div>

          <div class="cardsmall">
            <div class="cardsmall-header">
              <span class="arrowed" id="headingPricing" data-toggle="collapse" data-target="#collapsePricing" aria-expanded="false" aria-controls="collapsePricing">
                                                        Test2.2
                                                    </span>
            </div>
            <div id="collapsePricing" class="collapse" aria-labelledby="headingPricing" data-parent="#accordion4">
              <div class="cardsmall-content">
                Example2.2
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>