Gallery Template

<center><div class="tab-content">
  <div id="CHANGEME1" class="tab-pane fade in active">
        <p><img src="https://i.imgur.com/bJBejMJ.jpg" style="width:500px;" class="thumbnail"></p>
  </div>
  <div id="CHANGEME2" class="tab-pane fade">
        <p><img src="https://i.imgur.com/AbVEFAd.jpg" style="width:500px;" class="thumbnail"></p>
  </div>
  <div id="CHANGEME3" class="tab-pane fade">
        <p><img src="https://i.imgur.com/8eYVQaJ.jpg" style="width:500px;" class="thumbnail"></p>
  </div>
  <div id="CHANGEME4" class="tab-pane fade">
        <p><img src="http://i.imgur.com/PMK6PhX.jpg" style="width:500px;" class="thumbnail"></p>
  </div>
  <div id="CHANGEME5" class="tab-pane fade">
        <p><img src="https://i.imgur.com/lAgELIc.jpg" style="width:500px;" class="thumbnail"></p>
  </div>
</div></center><br>

<div class="row">
    <div class="text-center" width="100%">
        <div class="btn-group" data-toggle="buttons">
            <label class="btn btn-default center-block active" data-target="#CHANGEME1" data-toggle="collapse" aria-expanded="false" data-toggle="tab"><input type="radio">1</label>
            <label class="btn btn-default center-block"  data-target="#CHANGEME2" data-toggle="collapse" aria-expanded="false" data-toggle="tab"><input type="radio">2</label>
<label class="btn btn-default center-block"  data-target="#CHANGEME3" data-toggle="collapse" aria-expanded="false" data-toggle="tab"><input type="radio">3</label>
<label class="btn btn-default center-block"  data-target="#CHANGEME4" data-toggle="collapse" aria-expanded="false" data-toggle="tab"><input type="radio">4</label>
<label class="btn btn-default center-block"  data-target="#CHANGEME5" data-toggle="collapse" aria-expanded="false" data-toggle="tab"><input type="radio">5</label>
        </div>
    </div>
</div>