I am trying to create a custom theme using SASS and the given 'my-ext-theme.scss' file. I followed the theming guide, changed the base color and the result seem to work fine in Chrome. However, it does not work completely in IE 7. For example, after changing the base color, the panel header background changes in Chrome but not in IE. It follows for other controls as well.

Am i missing anything here ? Is there anything else that needs to be done specifically for IE.

Thanks & Regards,