Settings in Firefox 3
To manage colour settings, click on the "Colors" button on the "Content" tab. In the window that opens, you need to allow pages to choose their own colours (Picture 2)
Picture 2. Colour settings
To enable cookies, go to Tools > Options > Privacy (Picture 8).
Picture 3. Cookies
Firefox enables file downloading by default (downloaded files are put on your desktop). Go to Tools > Options > Main to manage your download settings (Picture 4).