#702 Per https://github.com/nasa/openmctweb/pull/702; Removed include of _logo-and-bg.scss into _about.scss;
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.