added responsive css

app/assets/javascripts/responsive.js

@@ -0,0 +1,8 @@
+// Whoever did the rest of js files, he/she did it in some other way
+// Hope this is not very wrong
+$(document).ready(function() {
+  $("#maintoggle").click(function(){
+	  $('#nav').toggle();
+	  $('#maintoggle').toggleClass('toggler-active');
+  });
+});