Custom Template in Rise 360

New to using this software and I wanted to take a template layout that is available in the Content Library and upload it to Rise 360 - am I able to do that?  The template that I would like to use is Serenity.  If I am not able to upload and I have to use a preloaded template from Rise 360 is there one in there that is similar to the "Serenity" layout?