What do i need to create a simple login form, containing a username and password?

Answer 1

https://code.sololearn.com/Wf3kHqIhlb7Y/?ref=app

Answer 2

You just need <form> and <input> tags. Placeholder is optional, it shows the field name in writing section. Here is the example for your reference. Have a good start. All the best.
https://code.sololearn.com/Wh30t94a48ao/?ref=app