[Mobile] IN PROGRESS: Menu hide/show fixes; font-size tweaking

open #74
Changed .right-repr to use translateX in phone portrait mode;
font-size tweaking;
Refactored css organization in mobile/_layout.scss;

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

@@ -368,6 +368,7 @@
 }
 
 @mixin tmpBorder($c: #ffcc00, $a: 0.75) {
+    @inlude box-sizing(border-box);
     border: 1px dotted rgba($c, $a);
 }