fix for Issue #248: n-number steps chevron overlap
Revert radio and checkboxes back to display:none for all browsers but IE8.
testing new method for checkbox hiding
Revert "testing new method for checkbox hiding"

This reverts commit faa1aff937f4dac90227ade618041a48524266d5.
Revert "Revert radio and checkboxes back to display:none for all browsers but IE8."

This reverts commit 8b243f812bbdb6a8aa9b8a6fed578f3ebef1e621.