different colors Options

[Smarmosaur]

ok, really quick question, but i'm stuck.

different browsers register colors differently, right? so like, let's say the HEX code i have shows fine in mozilla and corresponds with my background, but it's lighter in IE. obviously, i copy and add a _ before the background color in each of my pages (so only IE reads it) and change the HEX codes in the IE part. so i would have:

CODE

background-color:#707070;
_background-color:#646464;

now, this works fine in my "normal" pages, but the pages I have with Nucleus blog doesn't seem to want to use that code...why? how do i fix this? these are the pages where the codes don't work:

http://rockitstudios.890m.com/nublog/

http://rockitstudios.890m.com/portfolio.php

http://rockitstudios.890m.com/projects.php