This is the theme we use from our forum community so it needs a little setting up before using it live.
Use the blue banner styling above for the extra.css to override it.
this redactor add-on so colours can be assigned for just the editor if you want to have white background/black text there.
As it comes it will be the other way around.
I use a fair few edits in extra.css. Learn2 inspect elements from your browser for unpossible changes I may have made there. The theme is easily upgraded nowdays though. Hopefully I got rid of the majority of our site specific stuff too.
install; Upload entire darkred
folder to /styles. Run xml.