How to show body of html on middle screen?

Question

I want to show my html body in middle of computer screen only
How to do it? please explain...

Answer 1

Search before asking
https://stackoverflow.com/questions/6464592/how-to-align-entire-html-body-to-the-center

Answer 2

body{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%)
}

Answer 3

Use css .