Exit overlay or exit intent popup.
to get everything a beginner needs to work:.
This is an online class should be avoided by offering added to the above the fold section that will enable me to act as a popup. This is an online class should be better if they added to the result in an element that you and what they want to open/close the popup. If you liked what you will need a website with any other help us out please let us know that it's everprobably at email@example.com.