Added main back and hid sidebar when in no results conditional

Author: djanelle-mit

app/views/search/results.html.erb

@@ -36,12 +36,16 @@
             </ol>
             <%= render partial: "results_callouts" %>
           <% elsif @errors.blank? %>
-            <div class="no-results">
-              <p class="hd-2">No results found for your search</p>
-            </div>
+            <main id="results">
+              <div class="no-results">
+                <p class="hd-2">No results found for your search</p>
+              </div>
+            </main>
           <% end %>
         </main>
-        <%= render partial: "results_sidebar" %>
+        <% if @results.present? %>
+          <%= render partial: "results_sidebar" %>
+        <% end %>
       </div>
     </div>