The Bridge CSS columnar webpage template fails in Internet Explorer 6, Internet Explorer 7 and Internet Explorer 8 beta 1

Steps to reproduce the bug:
Hover the mouse over the non-text part of one of the 5 links in the left menu or in the right menu.

Actual results:
the dynamic pseudo-class :hover effect (a change of color and background) does not happen.

Expected results:
the dynamic pseudo-class :hover effect (a change of color and background) happens.

Firefox 1.5, Firefox 2.0.0.9, Opera 9.24, Opera 9.50, Safari 2.0.4, Safari 3.0.4, Konqueror 3.5.8, Hv3 TKHTML alpha 16, K-meleon 1.x, Seamonkey 1.x, Seamonkey 2.x, Galeon 2, Epiphany 2 all pass this test.

This bug has been reported at connect's IE beta feedback as bug 332625.