When you download the aie-tutorial.zip package the full HTML setup is included.
You will inevitably be working with changing the appearance and most likely the position of elements in a panel of some sort. This means you will make extensive use of CSS display and position properties in new and unusual ways. It is a good idea to be familiar and confident with the positioning and display capabilities of CSS.
Fixed layout and Interactive scripts generally need explicit positioning to be applied. This is essential for animated objects.
For position properties to work a parent container element must have a position statement, even if it is position:relative;, then child position:absolute; properties will work correctly. And we can't forget the z-index attribute for depth control.
Positioning is Tool Number 1 in the fixed layout and interactive toolkit.
Of course like all refined tools, once you go to positioning control in CSS you have to control everything.
If you are not aware of the power of the CSS display attribute you probably shouldn't be using AIE! With CSS any display type in HTML can be changed to any other display type. This is powerful beyond understanding. For example:
But display has a lot more than that to do heavy presentation work. Display is Tool Number 2 in the fixed layout and interactive toolkit.