HTML code does not fit on the Drupal page?

Question

CMS

What to do? I inserted the html code as a page, and it turned out like this
cosmofest.kvantorium48.ru/sunsystem
and it needs to be inside the page

Answer 1

try in css for parent block:

#node-10 {
position:relative;
width:945px;
height:945px;
}