The slide builder technique works for desktop and mobile vertical orientation, but it doesn’t work for horizontal orientation.
I’like to have an option to adjust the code so the slider adjusts to fill the mobile vertical orientation screen in a way that allows the design to fit within it and the same for mobile horizontal orientation. Desktop has one orientation, but responsive UX mobile design has two orientations.
Here is the site with a mobile responsive widget for both vertical and horizontal orientation -https://reverielane.co/