I'm using wp e-commerce plugin. On the product page, once you click Add to Cart, a small window appears: "You just added x product to your cart" Then there are two options to Go to Checkout or Continue Shopping. The font colour of these two options is light grey and very difficult to see so my clients can't find where to checkout. I'm guessing I need to change the code in a php file but I can't figure out which one. Where can I find the code for this window please?