You need to use a proper HTML or text editor to create those pages. What you now have is MS Office code that mostly consists of [http://en.wikipedia.org/wiki/Vector_Markup_Language VML] code. Only IE can display such documents properly. VML doesn't work in other browser as like Firefox. You can see that VML code as green comments in View > Page Source You can look at an editor like KompoZer to get W3C compliant HTML code. *http://kompozer.net/