Please give your review on the UI of my website

Envato Authors Theme Authors
1

I have developed a quizzing website application. Users can play and create quizzes.

Here is the link of the demo : http://phpquizzio.com/demo/

I am under the assumption that it looks well.
It would be great if you guys can tell how good or how bad does the demo look (in terms of UI) ?

2

They might reject you on typography. You should’ve just used some sort of HTML template of you’re a developer