Issue Summary

When we click the Create button at the bottom of the page tree, the list with content types is obscured by the left navigation options.

Steps to Reproduce

1. Scroll to the bottom of the page tree in a space.
2. Click on the Create button.

Expected Results

The content types list should be clearly visible, with no other text from the background overlaying it.

Actual Results

The background options after the space apps are visible through the content types list

Workaround

Use the create option at the top of the screen(near the search bar) or use the + button next to Content at the top of page tree.