anchor.diff:              </div>
   
               <div
  -              class="dnd-error"
  +              class="dnd-error row"
                 id="dnd-large-file-notification"
                 style="display: none;">
                 <div
  
positive.code:       <div
          class="notifications">
          <div
            class="notification"
            id="nucleotide-sequence-notification"
            style="display: none;">
            <div
  
negative.code:         </div>
  
          <div
            class="notification row"
            id="mixed-sequence-notification"
            style="display: none;">
            <div
  