Link project

w3school

 w3school Animated bar:

 https://www.w3schools.com/code/tryit.asp?filename=GMQEIPNZTJ25

W3school Animated sidebar:

https://www.w3schools.com/code/tryit.asp?filename=GMPARGYDBH58

w3school simple menu pure CSS

https://www.w3schools.com/code/tryit.asp?filename=GMQFAFWHG4MY

Codepen:

codepen animated bar

https://codepen.io/sufyan33/pen/zYKyEGd