Height of a page.

So, trying to make a footer for my test page, I got a problem I'd solved it alone, but in a hard way.


So, I wanted the page to not have a scroll bar, and the footer to be exactly down in a page. On my screen it's ok, I don't know if other screen size it will see it ok or shorter or larger.
I put the height of the main div, with the text and button to have a height, and the footer div to have a margin-top till it got in perfect position (for my screen), I...

Height of a page.

Poster :