added a button class to the filter button
added a button class to the filter button

zendesk/copenhelp,sfbrigade/linksf,zendesk/copenhelp,lcomito/linksf,zendesk/copenhelp,zendesk/linksf,ISMAELMARTINEZ/linkuk,ISMAELMARTINEZ/linkuk,sfbrigade/linksf,lcomito/linksf,sfbrigade/linksf,lcomito/linksf,zendesk/linksf