anchor.diff:          </h1>
         </div>
         <p class="subtitle">UKSA is an executive agency of <a href="#">BIS</a></p>
  -      
  +
       </header>
     </section>
   </div>
  
positive.code:         </h1>
        </div>
        <p class="subtitle">UKSA is an executive agency of <a href="#">BIS</a></p>
        
        <div class="page-title with-border">
          <h1>
            <span class="small">www.ukspaceagency.com</span>
  
negative.code: <div class="row">
    <div class="col-md-6 lead">
      <p>When using a table with two layers of headings, usually for interacting with table content, <code>table-header</code> and <code>table-header-secondary</code> classes are used.</p>
  
      <p>The second example shows a table with selectable rows. Selected rows highlight in yellow. The checkbox in the header selects all rows.</p>
    </div>
    <ul class="col-md-6">
  