Not all products are as developer-friendly as Fomo.
Sometimes, other apps on your website may interfere with the notifications from your Fomo account.
If you have a sticky navigation bar, badge, or call-to-action product blocking Fomo on the desktop or mobile version of your website, add this to your theme inside Fomo > Theme > CSS:
z-index: 2147483647 !important;
The result should look like this:
(Optional) If you prefer to "own" the css on your own site's, just paste the same code in your stylesheet:
Here's the difference it made for an ecommerce store with a sticky "Sign Up" button along the bottom of their mobile shop.