Add a focusable accessibility menu to skip to content at the first focus of the page. Fix sidebar accessibility (mobile view) (#2688)
Add a focusable accessibility menu to skip to content at the first focus of the page. Fix sidebar accessibility (mobile view) (#2688)


switchinnovations/pxt,switchinnovations/pxt,Microsoft/pxt,playi/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,playi/pxt,Microsoft/pxt,switch-education/pxt,switchinnovations/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,playi/pxt,switch-education/pxt,switch-education/pxt,switchinnovations/pxt