Lauren Tan e48b615598 [playground] Fix header when horizontal scrolling ...

Fixes a minor annoyance 

Before 

![Screenshot 2023-01-31 at 10 39 06 
AM](https://user-images.githubusercontent.com/1390709/215806108-f3b084d3-c693-404b-a9b3-785d0f15c332.png) 

After 

![Screenshot 2023-01-31 at 10 33 15 
AM](https://user-images.githubusercontent.com/1390709/215804818-c94a5905-e278-4380-af44-6ab34ac95ff3.png)

2023-01-31 10:36:31 -05:00

..

demo-2021Q3

Initial commit

2024-03-25 10:39:47 +00:00

demo-todolist-live

Initial commit

2024-03-25 10:39:47 +00:00

demo-todolist-next

Initial commit

2024-03-25 10:39:47 +00:00

demo-todolist-playground

Initial commit

2024-03-25 10:39:47 +00:00

eslint-browser

Enable no-use-before-define validation in playground

2022-10-21 08:37:18 -07:00

make-read-only-util

makeReadOnly implementation

2022-09-29 14:17:38 -04:00

playground

[playground] Fix header when horizontal scrolling

2023-01-31 10:36:31 -05:00

react-forget-runtime

Synchronize symbol names with React

2022-10-17 16:07:50 -04:00