[byrneseyeview]

Looks like they made some minor adjustments for keyboard-only types: instead of a dotted gray box, they highlight whatever item you've tabbed to with a more visible yellow box.

And text boxes are expandable! (Or is this a News.YC feature I missed?)

Edit: Last paragraph wrong on both counts; see response.

[dcurtis]

Those are features of Webkit, the core browser technology that Chrome and Safari are built on.