I want to put a lightbox effect on every image. When I click an image, it must be enlarged (on the same page) and when I click at any part of the webpage except the image, the image must close.
<div class="row jumbotron">
<div class="text-center">
<h1>Gallery</h1>
</div>
<div class="row">
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
</div>
<div class="row">
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
</div>
<div class="row">
<div class="col-md-4">
<div class="well">
<img height="180px" src="images/a.jpg" class="img-responsive img-center"/>
</div>
</div>
</div>
</div>