This discussion started in another thread and definitely deserves one for itself; you better read the last 4-5 posts in this thread:     TL;DR: Complex animations with attention to detail would basically need to be recalculated completely, when the browser gets resized. Not only does the layout jump and px values must be recalculated, but as the distances on the screen change, durations, timings, offsets need to change aswell in order to create a similar affect than bef