Xuan Wang 1138e3f83b [Documentation] Fix Python documentation CSS (#33908) ...

Fix python documentation website sidebar.

### Before:
<img width="1168" alt="Screenshot 2023-07-27 at 4 49 25 PM"
src="https://github.com/grpc/grpc/assets/24593237/1434ac63-7fc3-4f5c-a931-9a939fb67de6">

### After:
![Screenshot 2023-07-28 at 1 04 01
PM](https://github.com/grpc/grpc/assets/24593237/c7cc16b6-926f-4c8b-bc54-6cedfebb62b4)


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2023-07-31 09:58:33 -07:00

..

custom.css

[Documentation] Fix Python documentation CSS (#33908)

2023-07-31 09:58:33 -07:00