first slider revert
Revert "new kind of range elements"

This reverts commit d3eff1d503f240b1ca0bc35635a9c2b9ab05103b.

big revert of bad sliders
Revert "added classes to range element spans and removed the leading paragraph"

This reverts commit 86ff12f2531a5a4fba661a39bc61f7d6c5f8d1e2.
question of the slider made optional, and slider styles are flexible according to media width