Centering multiple div blocks in a responsive manner

The best that I could accomplish was aligning the div blocks to the left as with this page:

http://jothut.com/cgi-bin/junco.pl/tagscountstop

A lot of discussion and different suggestions here:

http://stackoverflow.com/questions/114543/horizontally-center-a-div-in-a-div

This centers the div blocks both horizontally and vertically within a page, and it's responsive. The code contains a lot of funky CSS.

http://jsfiddle.net/danield770/La8h5/4/

#css - #howto