Subtotal in lowercase letters and smaller font and some other questions re shopping cart page

Site URL: http://guimauve.nl

Hi,

I am customizing my shopping cart page with great css advice found on this forum. 

However, there are some issues unresolved.

1. I'd like to display my subtotal in lowercase and have it + the subtotal price displayed in a smaller font.

2. I'd like to have the item + the price also in a smaller font

3. The categories such as ITEM, QTY, and PRICE - I want them in lowercase as well

4. Bonus - if possible I'd like to change my quantity square into a circle and change the inner color from white to one of my own colors. At this moment, I've hidden it, but I'd prefer to show it in my own style. 

I hope you guys can help me out. I've added a screenshot of what the page looks like atm. Thanks!

Hi. What is password?

Hi! I already solved it! Thanks!