Set column Output to Responsive and Number Of Columns to 0 (see image below – click to enlarge).
Number of columns
Set to 0 to use the device settings (responsive mode). If set to a higher value, the number of columns shown is fixed (regardless of the device type).
Select Type=Modal if you want row details to be shown in a popup. Use the Popup Title column to add a title to your popup window.
With Type=Collapsed row details are shown inline.
Same as Collapsed but starting in expanded mode.