[Frontend] Cleanups and enhancements to search

open #250
Fixed margin/spacing problems with results element;
Added transition to results display;
Begin adding # results found / no results messaging;
Moved class .off to _globals.scss;

platform/commonUI/general/res/sass/_global.scss

@@ -142,6 +142,16 @@ mct-container {
 	display: none !important;
 }
 
+.off {
+    visibility: hidden;
+    opacity: 0;
+    height: 0;
+    margin: 0;
+    padding: 0;
+    border: 0;
+    margin: 0 !important;
+}
+
 .sep {
 	color: rgba(#fff, 0.2);
 }