open #208 Unit tested in both themes; .s-icon-btn refactored slightly to focus on usage as an icon-only element, removed overlap designations with .s-btn in markup; Colors normalized for theming; Code cleanup;
Directives
mct-scroll-xis an attribute whose value is an assignable Angular expression. This two-way binds that expression to the horizontal scroll state of the element on which it is applied.mct-scroll-yis an attribute whose value is an assignable Angular expression. This two-way binds that expression to the vertical scroll state of the element on which it is applied.