CSS in EI and Firefox - HELP! PLEASE!

I am in a rush trying to get a website up for clients, and my CSS is not working in EI, only seems to in Firefox, safari. I'm on a mac, and have no PC access right now.

Can anyone please help, and point out anything I can add in to make my CSS stylesheet work in EI as well?

my site:

css: www.blackbirdphotography.ca/style.css

thank you SO much for anyone who has the time for this, I used to be a web designer, and have been out of it for a while. this would be Greatly appreciated. if this is in the wrong thread, please let me know and I'll move it.

i am checking your html and css coding right now and reply you soon but i have something for your help is that when i validate your website on w3c validator then it have 57 errors witha complete description about them on this URL:
please check out this it might be helpfull to you otherwise i will reply you soon after complete checking of you html and css code
-Peeyush Chandel(INDIA)

Didnt know that existed, THANK YOU THANK YOU THANK YOU THANK YOU. I'll work on those mistakes first!

You have a lot of errors:

- Values of 0 can NOT have units of measure attached.

Wrong: 0px
Right: 0

- You have size styles and nonzero surrounding styles (margin, border, padding) in the same tag or style.