It seems to me that the popup window\'s height has a limit of 489 pixels. If I\'m setting the body element of the popup to 600 pixels of height, then popup window gets a scroll
The popup window for chrome extensions has a maximum height and width. That is why the solution to set the height of body and html elements does work in some cases, and does not work in others. For Windows, the max height seems to be set to 489 pixels.
Additionally, the size of the popup does generally fit the size of its (relatively positioned) elements. This is also the case if the DOM of the popup is dynamically changed. So, setting the height for the popup window should usually not be nessecary.