How can I set up right Height and Width in every device right ??😭😭Please help me

Question

How can I set up according to every height and width in other devices I know that we have to use some meta tag and also
What is the difference between vh,px,vw?(they are also used for this question)

Answer 1

https://www.w3schools.com/cssref/css_units.asp

Answer 2

This might help you :
https://elementor.com/help/whats-the-difference-between-px-em-rem-vw-and-vh/

Answer 3

vh: viewport height; each 1vh is 1% of the user device height

vw: viewport width; each 1vw is 1% of the user device width

px: pixel

Answer 4

<★Shaurya Chauhan★>(Inspiration will draw you) You can mark the answer which is most useful to you as the best answer😃

Answer 5

SAN praneetha [Left due to Exams📓] Thank you both for giving me useful links🙂

But now arise a question
Whose answer should I mark the best(I think both answers are best)?

I will mark both answers as best by upvoting , this seems fair decision(please give reply).

Thanks for reading this comment 🤝