Hello Amy...
Had a quick look at your site this morning.
LOOKING GREAT !
I'll now leave you to it as you seem to be getting a grip on the CSS.
From a customer-friendliness point of view, your site entry point (the first index page done in plain HTML) is very tedious.
Based on what I said in an earlier post, it's currently not easy to navigate to your shop from the site's main entry point.
You should seriously consider getting rid of this cumbersome way of entering your webshop, and the data/info contained in these "welcome" pages would be much better as configured EZ pages within your store.
On one of our sites, we use the INDEX.HTM entry page to guide visitors quickly to two aspects of the site.
Look at https://www.karenscakes.co.uk to see how we use INDEX.HTM.
Inside the STORE for karens cakes, we have a top ez-pages menu, with relevant data about the products.