change icon of collapsible list ref #258
change icon of collapsible list
ref #258

ComperioAG/styleguide_mont-terri,manuelroth/styleguide,ComperioAG/styleguide_geologieportal,manuelroth/styleguide,manuelroth/styleguide,ComperioAG/styleguide_geologieportal,swiss/styleguide,RolandStuder/styleguide,RolandStuder/styleguide,ComperioAG/styleguide_mont-terri,RolandStuder/styleguide,swiss/styleguide