Vantage Theme Update caused havoc on site.

Hi

I upgraded the Vantage Premium Theme and it has caused the layout of our website to change drastically. Images and texts now stretch and exceed the page width and can only been seen by zooming out. You are only able to have one column before content is spread across the page and is difficult to read. I used to have 2 -3 columns and the content was visually pleasing and easy to read. Now it is awful.

Site origin Hero feature, that used to stretch across the entire page, is now limited to the same length as the navigation bar.

Our website is: wwww.sanddflooring.co.uk

Is there anything I can do to revert back to the previous version of the theme.

Regards