anchor.diff:    </div>
   </section>
   
  -<section class="case-study-summary">
  +<section class="case-study-summary section">
     <div class="container">
       <div class="row">
         <div class="col-md-4 col-sm-12">
  
positive.code:         </div>
        </div>
      </div>
    </div>
  </section>
  
  <section>
    <div class="container">
      <div class="row">
        <div class="col-md-10 col-md-offset-1">
  
negative.code: <section class="clearfix">
    <div class="case-study-banner">
      <div class="container text-xs-center">
        <div class="col-sm-offset-1 col-sm-10">
          <ul class="list-inline text-xs-center">
            <li class="hash-tag font-weight-bold">lorem</li>
            <li class="hash-tag font-weight-bold">dolor</li>
  