This is the page: propertytest.uphero.com
I have narrowed down the problem to the 6 blueish boxes (the top 3 are under a div called offers and the 3 below that are under
Here is how to sort out the 6 boxes that you currently have as position:relative;
http://jsfiddle.net/F9Q6T/
The basic premise is that you float the boxes inside a container and then clearfix them to make the container the right size.
In terms of the issue at the bottom of the page you need to remove bottom:290px; from your footer. This appears to be what is causing the problem