To add a preprocessor to your Pen, click the settings “gear” icon at the top of the CSS editor panel . The Pen Settings will open with the CSS tab automatically selected. You can also open Pen Settings from the button in the header.
How do you use CSS CodePen?
To add a preprocessor to your Pen, click the settings “gear” icon at the top of the CSS editor panel . The Pen Settings will open with the CSS tab automatically selected. You can also open Pen Settings from the button in the header.