Added id to use css for scrolling activity. fixes #1411
Added id to use css for scrolling activity. fixes #1411

ndlib/scholarsphere,ndlib/scholarsphere,zhang4952/scholarsphere,samvera/hyrax,samvera/hyrax,ndlib/scholarsphere,jeremyf/sufia,zhang4952/scholarsphere,samvera/hyrax,samvera/hyrax,zhang4952/scholarsphere,jeremyf/sufia,zhang4952/scholarsphere