You can hide columns/sections on small using the .col-hide-for-medium-only
class.
However, note that you will need to add the class to the corrisponding card column/section if there is one.
.mod-comparison-table-header
.section.plan-col
| Phasellus
span.i-directup
.section
| Nullam metus
span.i-dropdown
.section.col-hide-for-medium-only
| Aenean sit
span.i-dropdown
.section
| Aliquam
span.i-dropdown
.section.cta-col
.mod-comparison-table-header.light
.section.plan-col
| Phasellus
span.i-directup
.section
| Nullam metus
span.i-dropdown
.section.col-hide-for-medium-only
| Aenean sit
span.i-dropdown
.section
| Aliquam
span.i-dropdown
.section.cta-col
.mod-comparison-table-header.bordered.with-compare
.compare-col-spacer
.section.plan-col
| Phasellus
span.i-directup
.section
| Nullam metus
span.i-dropdown
.section.col-hide-for-medium-only
| Aenean sit
span.i-dropdown
.section
| Aliquam
span.i-dropdown
.section.cta-col