How can I create a login and signin page?

Question

Pure html and php

Answer 1

//Here is some login and signup page example without PHP

https://code.sololearn.com/WMMcAs204F8K/?ref=app
https://code.sololearn.com/WPO6EATa0xuW/?ref=app

Answer 2

https://code.sololearn.com/Wv0o518122H6/?ref=app