responsive sprites / percentages

Question

I\'ve read every single question about responsive sprites using css, I saw jsfiddle with working examples of responsive sprites, but I still cannot understand how to get the

Answer 1

My approach is similar to Greg's in that I wrote a tool to generate responsive css sprites. I however have taken it one step further and added a sorting algorithm so you can pack more images efficiently onto a png.

Here is the Responsive CSS Sprite Generator Tool: https://responsive-css.us/