Different layouts combined with 3 selected themes. Check all the themes here.
Layout: Edges
Layout: Edges; Theme: Flatly; Left/Right column proportion: 5/7
Layout: Edges; Theme: Darkly; Left/Right column proportion: 5/7
Layout: Edges; Theme: Simplex; Left/Right column proportion: 5/7
Layout: Panels
Layout: Panels; Theme: Flatly; Left/Right column proportion: 6/6
Layout: Panels; Theme: Darkly; Left/Right column proportion: 6/6
Layout: Panels; Theme: Simplex; Left/Right column proportion: 6/6