What you can do is, you can scale your webpage's <html> (area covered by html tag) by using scale
property available in CSS.
property you can scale any element in webpage by any size.
<div id ="t_div"></div>
Now we can scale the size of the division as follow:
Above code will increase the size of division by x1.5 . Same way we can scale height width of <html> tag.
I have shown the solution using jQuery to apply scaling dynamically, according to user's resolution at this: How to Fix/Solve the Website Screen Resolution Problem?