I'AM EXPERIENCING ISSUES TRYING TO SAVE A CUSTOM CSS. MY CHANGES ARE NOT BEING SAVED. I NEED HELP PLEASE I TRIED TO FOLLOW THE DIRECTIONS FROM THIS LINK:
http://docs.oxwall.org/design:how-to-create-customize-themes-for-beginners

HOWEVER IM GETTING STUCK AND CAN'T FIND THE
( ow_themes’ or 'ow_includes/config.php' :) FILE or know how to get to it. and need to know where to go to enable the DEV_MODE

I HAVE DOWNLOADED PER THE ARTICLE:
- A base theme
- A text editor (personally, for example notepad++)
- A FTP client (like Filezilla) if you want work online
- A plug-in who help you to know which line to edit (like Web developer for Firefox ,

I edited the base css file , to change my 'main' page font . and then it changes but I dont know how to save it. i tried the instructions over and over. please HELP.