Shopify Website CSS modification. Add, Change, Remove CSS coding

I am looking to work side by side with a Freelancer that is experienced in adding and changing CSS to my Shopify website. I am looking to add new CSS color for a certain font so they are not group together with others. Make a few changes to the website. I have attached all the changes needed to this post. Please only bid if you are ready to do the tasks and can complete within 6 hours.

The website:
https://craftingmfg.com/