Self-written PHP site, need to make edits

Hello)
1. Replace logo
2. center the goods on the main one so that there is no empty space on the right https://monosnap.com/file/vj817j7H2i1ibSWrS8c8KQO7...
3. Add Tax "Tah" to cart and checkout page https://monosnap.com/file/Wj8bLx45H2VOJaMCZmFL52jD... well, for some reason one product is not displayed in the cart.

thats it for now.

please write when you can take up and when to finish.
for a normal programmer there is work for 2 hours with deployment locally, but of course name the deadlines.