New responsive options with fixed header names#551

I see a lot of new elegant responsive solutions for tables like

https://www.dell.com/en-us/shop/cty/pdp/spd/precision-t7960-workstation#configurations_section

Scroll down first a little the specs like processor,
And you see while you move the table specification from right to left that each spec header is staying fixed so the table cells are still understandable. Great way to make big tables accessible on mobile!