Issue on page layouts

[kephale]

Hey @haesleinhuepf

Low priority issue, but when I try to browse the notebooks on a widescreen monitor that is rotated (e.g. tall and narrow), the table of contents panel on the left hand side does not show up. Moving the browser to a monitor with widescreen orientation reveals the table of contents.

Cheers, Kyle

P.S. very happy to see you get new awesome opportunities in Leipzig :)