Fixed elementOverElement() sibling order test
Renamed elementOverElement() --> isElementBehindElement()
Factored out constants in CSS tests
Updated to-do
Starting to move CSS tests into a frame
Working on getting elements and CSS inside iframe
Now have ability to test styling inside iframe
Fixed isElementCenteredInPage() to work with frame
Updated Firefox 31 --> 32
Got tagline styling working inside frame
isElementCenteredInPage() properly accounts for scroll bars
Attempting to get elementPixelsBelowElement() working inside frame
Set aside styling #drawingArea for now
Attempting to get footer styling working in frame
Got footer styles working inside frame
Attempting to get 'join us' button styling working in frame