https://support.pega.com/discussion/helper-classes-achieve-complex-forms-using-2-column-3-column-inline-wrapping-templates
- flex-cell-half
- flex-cell-2
- flex-cell-3
- flex-space-1
- flex-space-2
1. flex-cell-half
This helper class can be used to size the field to half the width of a column.
2. flex-cell-2
This helper class can be used to make the field occupy 2-columns. In 2-column-inline wrapping template, this helper class can be used to make a field occupy entire width of the row
In 3-column-inline wrapping template this helper class makes a field occupy two columns completely, thus letting only one field in the last column.
3. flex-cell-3
This helper class can be used only in 3-column inline-wrapping template to make a field occupy entire row.
4. flex-space-1
This helper class can be used to give a right spacing of 1 column to a field.
5. flex-space-2
This helper class can only be used in 3-column inline wrapping template, to give right spacing of 2-columns to a field.