Hello guys. I'm a total novice and wish to ask of there is sort of a formula that one use to remember all the tags on html n css

Answer 1

Using them frequently will help you remeber them better. Or use one of these which is less taxing 😉
https://websitesetup.org/wp-content/uploads/2014/09/html5-cheat-sheet.png

http://www.pxleyes.com/blog/wp-content/uploads/2010/03/css-cheatsheet-portrait1.png

Answer 2

Thanks boss