Using the grid system I built this Newsletter & Contact section. It looks fine on desktop (wide) but on mobile and when the browser is very narrow there’s a problem with the background. Why is the background too wide on mobile and in a narrow desktop browser? The background doesn’t adjust perfectly to the mobile width.
Here’s a video of the problem:
Here are screenshots of the grid system on desktop and mobile and the CSS settings:
thank you very much for helping out!