How to make a neon button please tell me source code

Answer 1

https://code.sololearn.com/WzAxELmdQxeo/?ref=app

Answer 2

https://youtu.be/ex7jGbyFgpA

Answer 3

https://code.sololearn.com/W4c48S7xteGd/?ref=app

Try this for neon button
And firstly search in the search box .
You can also try to make it better👍