Pure css3 Tabs but not responsive

Hi,
We have a Pure css Tabs with css3 intimations
but need help to be responsive
you can see fiddle here
http://jsfiddle.net/earngate/8jjn4xfg/
Or this is full code
CSS

.tabsk2 {
position : relative;
min-height […]

See original post by invalid@example.com (earngate)