anchor.diff:        </div>
       </div>
     </div>
  -  <div class="card mt-2">
  +  <div class="card ml-2 mt-2">
       <div class="card-header">Display</div>
       <div class="card-body">
         <button type="button" id="download_layout" class="btn btn-secondary btn-block">Download layout</button>
  
positive.code:       </div>
      </div>
    </div>
    <div class="card mt-2">
      <div class="card-header">Ignore</div>
      <div class="card-body">
        <label>Namespace</label>
  
negative.code: <div class="toolbox">
    <div class="card ml-2 mt-2">
      <div class="card-header">Node Details</div>
      <div class="card-body" id="information_panel">
        Please click on any node.
      </div>
    </div>
    <div class="card ml-2 mt-2">
      <div class="card-header">Search</div>
      <div class="card-body">
        <label class="form-label">Namespace</label>
  