Added scroll to top in footer

app/assets/javascripts/application.js

@@ -50,4 +50,5 @@
 //= require chart.js/dist/Chart.js
 //  require turbolinks // Temporarily removed while fixing
 //= require google_analytics.js
+//= require header_footer.js
 

app/assets/javascripts/header_footer.js

@@ -0,0 +1,11 @@
+jQuery(document).ready(function() {	 
+	var duration = 300;
+
+	$(".back-to-top").click(function(event) {
+		event.preventDefault();
+		jQuery("html, body").animate({scrollTop: 0}, duration);		 
+		return false;
+	})
+
+});
+

app/assets/stylesheets/style.css

@@ -417,3 +417,15 @@ div.note.moderated h4 {
     font-size: 80%;
   }
 }
+
+.back-to-top {
+
+  float: right;
+
+}
+
+.back-to-top i {
+
+  font-size: 60px;
+
+}

app/views/layouts/_footer.html.erb

@@ -39,6 +39,11 @@
         <% end %>
       </ul>
     </ul>
+
+    <a href="#" class="back-to-top" style="display: inline;">
+      <i class="fa fa-arrow-circle-up"></i>
+    </a>
+
   </div>
   <br style="clear:both;" />
 </footer>