<div class="container">
<h1 class="display-4 text-center mb-4">Bootstrap Modals</h1>
<div class="row mb-4">
<div class="col text-center">
<h3>The Basic Modal</h3>
<a href="#" class="btn btn-sm btn-success" data-toggle="modal" data-target="#basicModal">Click to open Modal</a>
</div>
</div>
<div class="row mb-4">
<div class="col text-center">
<h3>The Large Modal</h3>
<a href="#" class="btn btn-sm btn-primary" data-toggle="modal" data-target="#largeModal">Click to open Modal</a>
</div>
</div>
<div class="row">
<div class="col text-center">
<h3>The Small Modal</h3>
<a href="#" class="btn btn-sm btn-danger" data-toggle="modal" data-target="#smallModal">Click to open Modal</a>
</div>
</div>
</div>
<!-- basic modal -->
<div class="modal fade" id="basicModal" tabindex="-1" role="dialog" aria-labelledby="basicModal" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabel">Basic Modal</h4>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<h3>Modal Body</h3>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<!-- large modal -->
<div class="modal fade" id="largeModal" tabindex="-1" role="dialog" aria-labelledby="basicModal" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabel">Large Modal</h4>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<h3>Modal Body</h3>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<!-- small modal -->
<div class="modal fade" id="smallModal" tabindex="-1" role="dialog" aria-labelledby="basicModal" aria-hidden="true">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabel">Small Modal</h4>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<h3>Modal Body</h3>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>