Kubrick theme – sidebar items appear at bottom (IE 6-7)

Here is the page in question (works great in FF, Safari, and Opera):

https://s15857.gridserver.com/client/boundless/

Are there any IE hacks I can apply or tweaks?

Here is the .css:

[moderated – please place your info at https://wordpress.pastebin.ca/ and report the link back here]