live.com has a "bubble" pointing at the "add stuff" link. It is supposed to have a translucent drop shadow, but WebKit renders the shadow in front of the bubble instead of behind it, obscuring the bubble and making the close (X) button unresponsive.
Created attachment 8553 [details] Reduction
Created attachment 8561 [details] Fix findNextLayer Patch looks slightly bigger than it really is because of indentation.
Comment on attachment 8561 [details] Fix findNextLayer r=me