This may be an issue on other pages as well, but I’ve noticed if you go to certain pages, like this one:
https://www.patreon.com/pledges
You will see our list of pledges. On the desktop with a browser open, if you slowly resize the window horizontally to make it thinner, you will get to a point between the “mobile layout” and the normal layout where all of the content disappears and nothing is displaying at all.
Normal:
Transition:
Thin layout:
I had a patron point this out to me when they where using a windows 10 50/50 docked layout mode, which splits two sets of tasks down the middle of the screen.