text: Title: [BUG] Unable to scroll in jupyterlab
  Body: **Describe the bug**
  A clear and concise description of what the bug is.
  
  **To Reproduce**
  Please describe the steps needed to reproduce the behavior. For example:
  1. Open up binder [exercise link](https://mybinder.org/v2/gh/lux-org/lux-binder/master?urlpath=lab/tree/exercise) from Github page
  2. Open 0-Lux-Overview.ipynb
  3. Execute first 3 code cells
  
  
  
  **Expected behavior**
  Text at the bottom of the viz says 'Scroll for 12 more charts.' There is no scroll bar. When I click on the arrows, nothing happens. When I hover over the arrows, they change shades, but clicking them does nothing.
  
  **Screenshots**
  ![image](https://user-images.githubusercontent.com/379413/129976123-6387dc7a-054a-4ea4-8e6a-70e2e1413131.png)
  
  **Additional context**
  Add any other context about the problem here.
  