One of the struggles with Bubble can be the dynamic setting of a group's height, for instance having an element be 100% of the viewport height.
Here's how to do it:
Create a small HTML element in the group you want to target. Inside of it create an empty div, and assign it a class or ID (in this example I used an id of "anchor")
Create a new workflow for the page, using the "On Page Load" starting point.
Add the following Jquery to the workflow step:
Thats it. The page will not set itself, and the target group, to be 100% of the vertical height of the viewport. You can adjust those values as needed (for instance, if you wanted it to be 75% of the viewport height, just set the height of the parent group to
To handle the event of a window resize, also add this script to the page header:
Hope this helps!