Bootstrap

Modal Window

Bootstrap Modal
<div class="modal mwd-modal-demo fade" id="demoModal" tabindex="-1" role="dialog" aria-labelledby="demoModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="demoModalLabel">Lorem Ipsum</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div> 
<div class="modal-body"> 
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, 
sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris 
nisi ut aliquip ex ea commodo consequat.</p> 
</div> 
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Sluiten</button>
</div>
</div>
</div>
</div>
Bootstrap lessons for beginners
Modal Popup Window