You’ve got your new WordPress theme and love it but you want to tweak it to make it yours. Unless it is a premium theme that supports customizations in the WordPress admin, you need to create a child theme to make the modifications. Why use a child theme? Yes, it can be easier to just hack the theme’s files directly, but if you ever update your theme, all your changes will be overwritten and lost. Which sucks, so use a child theme.

I’ve created many child themes. It’s usually a quick and easy process that takes just a few minutes, especially if you are comfortable with the task of creating a directory on your server.

However recently I ran into issues modifying the CSS of a child theme using the Responsive theme as the parent that took me a long time to resolve. I spent hours looking through posts and the WordPress forums and found no answer, so if you are having the same problem with your child theme read on..