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The attribute can be used by frontend developers to write custom styling, based on the size of the panel in which the form resides.
Responsive behaviour sizes from "akContainerSize" and the existing helper classes:
xxs ( <480px ) | xs ( <768px ) | sm ( <992 ) | md ( <1200 ) | lg ( >=1200 ) |
|---|---|---|---|---|
| .xs-two-col | .xs-two-col | |||
| .xs-three-col | .xs-three-col | |||
...