Columns
The Columns control allows you to arrange form elements into multiple columns. It supports configuring the width of each column for different screen sizes and applying arbitrary CSS classes to cells.
Added the ability to specify cell width for different screen sizes according to the bootstrap grid. Detailed information about the bootstrap grid
Additionally, for each cell, various CSS classes can be added in the column’s Classes field. When adding multiple CSS classes, they should be separated by a comma or a space.