Tabber navigation doesn't line up in IE

[agabrel]

I have a tabber on my page that works fine with other browsers except IE - of course.
I believe the problem is CSS based.
Can anyone help me?

the page:http://www.urbanfarming.org/programs2.html
and the CSS: http://www.urbanfarming.org/css/programs.css

Thank you.

[cfajohnson]

Did you see the stick post at the top of this forum: "Before asking why your page doesn't work: Validate!"

Fix the errors:

Errors found while checking this document as XHTML 1.0 Transitional!
Result: 89 Errors, 21 warning(s)
Address: http://www.urbanfarming.org/programs2.html

[agabrel]

I found the solution:

Alternative Values for the Display Property

#box {
display: inline-block;
}

Description:
The display property is usually set to block, inline, or none. Alternative values include:
inline-block
inline-table
list-item
run-in
table
table-caption
table-cell
table-column
table-column-group
table-footer-group
table-header-group
table-row
table-row-group

Support:

IE6: No
IE7: No
IE8: Yes

http://www.smashingmagazine.com/2009...rer-6-7-and-8/
"This article attempts to provide an exhaustive, easy-to-use reference for developers desiring to know the differences in CSS support for IE6, IE7 and IE8."