Featured Slider

Hi, I found this page while searching for a solution but I can't find an answer to my query. https://catchthemes.com/support-forum/search-forum/Featured+Slider/ Can I enlarge the Featured Slider for ipad and mobile? It's certainly pretty small on mobile. http://musiplug.ie (under construction) Please note that 'Featured Slider' is not under 'Theme Options' in my 'Customize' page, it's Appearance => Customize => Featured Slider => Many thanks as usual bjbarker.