使用固定的左列和右列创建HTML表

In a pickle at the moment. I built a booking system for a client of mine with no chance of going responsive any time soon. That any time soon came last week. I thought I built my code in a way that it's responsive ready. What I want to achieve in mobile/table is to have the very left and very right columns to stay fixed and all the columns in between to scroll/swipe. I have a dev link up you can view:In a pickle at the moment. I built a booking sy