[Frontend] IN-PROGRESS Theme changes continuing

open #95
Mostly about the overlay and forms;
Buttons, menus, selects tweaks continued;
Initial check and tweaks in mobile;

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

@@ -44,8 +44,6 @@
 
 /********************************* FORMS */
 @import "forms/elems";
-@import "forms/textarea";
-@import "forms/text-input";
 @import "forms/selects";
 @import "forms/channel-selector";
 @import "forms/datetime";