You will have to provide more information... and most support like this is handled in topics so other scan see what is/has been tried.
As for the site, when I show on mobile (which you did not specify that was the style you were asking about) it looks fine to me on desktop using the mobile style and reduced to the viewport of a iPhone
It looks like you are using an iPhone to test it with.. what browser are you using? Have you cleared your browser cache?
You also have some spacing issue's with your banners as you can see.
also, it (other than the banners) displays fine on my iPhone