// Add .documents class to divs of the Employee Onboarding Caldera Form add_action( 'caldera_forms_grid_row_class', function($rowClass, $row, $config ){ //Change your field ID here if('CF5d8ceba87e343' == $config[ 'form_id' ]){ if( $row==4 || $row==5 ) { $rowClass .= ' documents'; } } return $rowClass; }, 10, 3 );