XF 1.4 Spanning Height of User Info Container

Hey folks,

I'm in the process of making the user info container break out of it's grid box. I'm at this point:

As you can see, there is a gap at the bottom, how can I get the info to span to the bottom of a forum post box?

Edit: I understand that this screenshot is a custom style, but this applies to default as well, how do we get the post bit to expand to the bottom?
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