After we released the new home page we decided that the layout still looked too blocky, so we made a bunch of new tweaks that unifies the blocks into a single page that uses subtle dividers instead of the old colored margins. We also moved some functionality around to reduce the number of tabs and simplify navigation, as well as allowing the left-bar list of classes to be expanded and collapsed.
Here's the before and after - I think it's a lot better and so far the feedback has been excellent.
Before:
After:
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