anchor.diff:        <% end %>
   
         <div class="button-group">
  -        <%= f.button "Update Submission", class: 'btn btn-primary' %> <%= link_to 'Cancel', challenge_submissions_path(@challenge), class: "btn btn-secondary" %>
  +        <%= f.button "Update Submission", class: 'btn btn-primary' %> <%= link_to 'Cancel', challenge_submissions_path(@challenge), class: "btn" %>
  +        <div class="twin-field">
  +            <b><%= link_to 'Delete this submission', challenge_submission_path(@challenge, @submission),
  +              data: { confirm: 'Are you sure?' }, method: :delete, class: 'pull-right' %></b>
  +        </div>
         </div>
       <% end %>
     </div>
  
positive.code:             <%= f.label :grading_status %>
              <%= f.select :grading_status, enum_option_pairs(Submission, :grading_status) %>
            </div>
            <div class="twin-field">
            </div>
          </div>
        </fieldset>
        <% if @submission.graded? %>
  
negative.code: 	</div>
  
    <div class="row">
      <br/>
      <label>Participant</label>
      <div><%= @submission.participant.name %></div>
  
      <br/>
      <% if @challenge.submissions_downloadable || current_participant.admin? %>
  