The problem is with the "dropdown-backdrop" div, which only seems to load if the screen is below a certain width (i.e. on mobile).
The z-index for it is set to 990 in your css files, so it's covering everything on the page even though you can't see it. Lowering the z-index to 99 seems to fix it.
The problem is with the "dropdown-backdrop" div, which only seems to load if the screen is below a certain width (i.e. on mobile).
The z-index for it is set to 990 is your css files, so it's covering everything on the page even though you can't see it. Lowering the z-index to 99 seems to fix it.