Have 3 problems with my site - need help

Im new at this Zencart and haveing a 3 problems with my website. The first problem is I tried to make a logo but I cant get it centered where I want it to be, I would likt to move it up adn to the left just a bit. The second problem is when something is added to the shopping cart i would like to remove the calulate shipping button, since all my shipping will be included in the price already. The last problem is when adding something into the shopping cart a shopping cart frame will come up on the right side with a list of items in the cart. Is there a way to change the heading text color of that box to match the rest of the title headers on the rest of the boxes? It now shows up grey but like it to be white, I think it has something to do with the template I added. My site address is www.aberstal.com. Any help apreachated.

With this template your logo should be only the text on a transparent backgroung and not the full, image that you have. Transparent gif....

I'll give you one for th cart contents box but there are 7 and you should get FF & the web developers tools so that you can determine the tags to adjust in your stylesheet. Find or add this to yours

#cartSubTotal {
color: #ffffff;
background-color: #006633;
}

Shipping:

Admin > config > Shipping/Packaging > Shipping Estimator Display Settings for Shopping Cart > select "0" off

That fixed all my problems , thanks for the help.