anchor.diff:  
   <% if flash[:notice]%>
     <% flash[:notice].each do |msg| %>
  -    <p class="notice"> <%= msg %></p>
  +    <div class="alert alert-success" role="alert">
  +    <span class="glyphicon glyphicon-ok-sign" aria-hidden="true"></span>
  +    <span class="sr-only">Error:</span>
  +      <%= msg %>
  +    </div>
     <% end %>
   <% elsif flash[:alert] %>
     <% flash[:alert].each do |msg| %>
  -    <p class="alert"> <%= msg %></p>
  +    <div class="alert alert-danger" role="alert">
  +    <span class="glyphicon glyphicon-exclamation-sign" aria-hidden="true"></span>
  +    <span class="sr-only">Error:</span>
  +      <%= msg %>
  +    </div>
     <% end %>
   <% end %>
   
  
positive.code:     $('#notification-list').append(partial);
      // re-invoke event listener to delete invitation if user clicks 'decline'
      deleteInvitation();
      removeFlash();
    });
  
    channel.bind('create_chat_room', function(data) {
  
negative.code:       $('.alert').remove();
      }, 2000);
     })
  
  </script>
  <script>
  $(function() {
  