Description of the enhancement

Implementing sidebar structure and configuration for Skosmos 3. New configuration is described in #1465 and #1493

What new functionalities would the enhancement make possible?

• 1 Layout for vocab/concept page
• 2 New configuration
• 3 Cypress tests
• 4 Setting correct focus in sidebar tabs (see Inconsistent tab focus when selecting concept from sidebar #1086)
• 5 Make sure the sidebar stays on the same tab when returning back to Skosmos from an external site (see Finto tab should remain the same when returning to a Finto-page from external site on the same browser tab (Metatietosanasto) #1595)
• 6 Accessibility
  • 6.1 Screen reader compatibility
  • 6.2 Can be operated using a keyboard
  • 6.3 Others?
• 7 CSS improvements
  • 7.1 Correct focus and hover effects on tabs
  • 7.2 Sidebar tab layout works with narrow screen sizes