Sticky Section

Assign the class of "sticky" to any section
Description:

By adding “sticky” as the CSS Classes name for any section, the section will scroll to the top of any page and then “stick”. This is most useful when the section contains the order review and/or payment components, as they will always remain in view.

Use Case:

Add an inner section to any multi-column layout and then add the “sticky” class to the Advanced tab of the section under “CSS Classes”

Example: