customising our 95% built woocomerce website.

Hello All, We were creating a website ecommerce shopping portal on woocommerce and the work is almost 90% completed but unfortunately our developer is sick and cannot continue until he is well. So we are in a very critical situation as we cannot afford to wait till his recovery otherwise we will incur serious loss as we need to make our web shopping portal live asap. work info:- 1- Making few changes in our main homepage..like the colors,few features addition(few changes in css styling),change background view. 2-email customisation through a email customiser plugin(css knowledge required) 3- Adding aftership tracking code to our website 4- host mapping of zendesk. 5- shop by category style change