GeneratePress gives you a lot of options so you can avoid writing any kind of CSS, but in some cases, you'll find yourself wanting to do something custom and will need to add your own CSS.
How to add CSS to GeneratePress
The best way to add custom CSS to your website is to use our very own Simple CSS plugin.
To install it, go to "Plugins > Add New" in your Dashboard, and search for "Simple CSS".
Once installed and activated, you'll be able to add your CSS in "Appearance > Simple CSS".
Simple!