IE7 ignores CSS attribute selector only on pages coming from production server

Question

On my website, IE7 seems to be ignoring certain CSS attribute selectors. The strange thing is that it only happens when the page comes from the production server. If I have the

Answer 1

I just ran into this with both IE8 and IE9 and I found the solution!

Now this may not translate exactly to IE7, but it should point you in the right direction.

• Look through the menus for an item called "Compatibility View".
• Give it a click and it opens a dialog where you can add websites to be shown in "Compatibility View".
• Look below the list for a check box labeled "Display intranet sites in Compatibility View"
• Uncheck it.

It appears that Microsoft considers a host part of the "intranet" when it is:

• joined to the same domain,
• identified by an unqualified host name (ex "server" vs "server.example.com"), or
• identified by a private IP address (10.x.x.x, 172.16-31.x.x, 192.168.x.x)

It also looks like nothing is considered "intranet" if the client system is not joined to a domain.