You will need to manage the number/size of thumbnails with the slider options, but the biggest issue with that kind of layout is that if you have a lot of thumbnails, they end up being a lot higher than the slider itself.
You can eventually conrol that by limiting the height and putting a scroll bar changing the second rule to
The rule did not work when I placed it into the Main Opt/Font & Custom?Custom CSS rule box, but it DID work when I put it in the box on the bottom of the Slider tab. !important not needed and it lines up beautifully
Per-Slider Custom CSSAdvanced option. Add per-slider custom CSS. See Help file for more information.
Now I will add show if mobile to hide this and show slider only on mobile.
Thank you once again for making me look good. 😀
I am leaving it live for awhile for you to see before I put it back under construction.