can someone tell me how to make multicolumn slide on desktop on origin bc ive tried everything

ceool
Tourist
26 0 3

ive tried every code people have provided me with and nothing.  am on origin theme and i need my multicolumn/ testimonials to slide on desktop. how do i do this? please someone give me the correct code my website is www.ceool.co.uk 

CEOOL
Reply 1 (1)
ceool
Tourist
26 0 3

origin

CEOOL