[GitHub] [incubator-mxnet] ys2843 opened a new pull request #18863: improve python api website ux - make toc sticky

[GitBox]

ys2843 opened a new pull request #18863:
URL: https://github.com/apache/incubator-mxnet/pull/18863


   ## Description ##
   Make the table of content widget on Python docs site `sticky` so that it 
won't be cut off by the footer when scrolling down to the bottom. @ChaiBapchya 
   
   Current TOC:
   
   <img width="1440" alt="Screen Shot 2020-08-05 at 9 53 21 AM" 
src="https://user-images.githubusercontent.com/23468760/89441241-b338ba80-d701-11ea-8471-1d27d4bf3f09.png";>
   
   New sticky TOC:
   
   <img width="1440" alt="Screen Shot 2020-08-05 at 9 55 49 AM" 
src="https://user-images.githubusercontent.com/23468760/89441410-f5fa9280-d701-11ea-8728-1af1301230e6.png";>
   
   ### Changes ###
   - [ ] Make TOC widget sticky
   - [ ] Fixed general version dropdown style breaks in Safari by adding height 
to the caret
   
   ## Comments ##
   - Preview: 
http://ec2-18-236-134-13.us-west-2.compute.amazonaws.com/api/python/docs/tutorials/getting-started/crash-course/1-ndarray.html
   


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