There is not much to see, you should have seen animation for a while before this content showed up. Once it showed up, the page should scroll verticaly but not horizontaly within the whole window if it is smaller than the content. At the bottom of the window when you scroll to the end you should see text 'This is the last line'. The fonts should look nice and content should be centered signaling that the CSS style was applied.
This page should fully validate using W3C HTML and CSS validator.
The following snippet shows you how easy it is to create HTML page using the loading page layout.