anchor.diff:            <p class="service-header">Sheffield Vision Centre</p>
           </div>
         </div>
  +      <div class="col-md-3">
  +        <img src="http://placehold.it/600x400" class="img-responsive" width="100%">
  +        <div class="well">
  +          <p class="service-header">Sheffield Vision Centre</p>
  +        </div>
  +      </div>
  +      <div class="col-md-3">
  +        <img src="http://placehold.it/600x400" class="img-responsive" width="100%">
  +        <div class="well">
  +          <p class="service-header">Sheffield Vision Centre</p>
  +        </div>
  +      </div>
  +      <div class="col-md-3">
  +        <img src="http://placehold.it/600x400" class="img-responsive" width="100%">
  +        <div class="well">
  +          <p class="service-header">See more</p>
  +        </div>
  +      </div>
       </div>
     </div>
   </section>
positive.code:   <div class="container">
      <div class="row text-center">
        <div class="col-md-4">
          <div class="well">
            <img src="http://placehold.it/600x400" class="img-responsive" width="100%">
            <h2>Section Header</h2>
            <p>In publishing and graphic design, lorem ipsum is a filler text commonly used to demonstrate the graphic elements of a document or visual presentation.</p>
            <a href="#" class="btn btn-primary">This is a button</a>
  
negative.code: <section class="main-services">
    <div class="container">
      
      <div class="row text-center">
        <h2>Our Services</h2>
        <hr>
      </div>
      
      <div class="row">
  