sonata-project/SonataAdminBundle — pull request #2110 by scasei (2014-05-05 15:32:26+00:00)
Title: add / options for horizontal css classes

standard values:

horizontal_class_label: col-sm-3
horizontal_class_input: 'col-sm-9 col-md-9'
horizontal_class_input_without_label: 'col-sm-12 col-md-12'