Your height's have spaces in them. They should not.
Your accountsummary id is assigned to a div, not a p as in your code.
Is the CSS file embedded in the html file itself, or linked to it?
If linked, is it in the same folder?
What is the folder structure of your site? you are using relative links to find the images, so in your css, you are saying "Go up one folder level, then go to the includes folder etc.". If you CSS file is in the same folder as the includes folder is, then you don't need the "../" part.