AnuPpuccin Folder Siderail CSS

Hey all pretty new to playing around with themes and styles. I started using AnuPpuccin. Is there a way to make the indentation on the siderail a bit more subtle? Files in that first level (Financial Plan and Style Tests) to line up with the Folders (ie green line). And the Files inside Folders to just be moved a bit to the left (blue line)? Also not familiar with CSS too much.
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How curious. I just installed the theme and checked Style Settings for it. While I couldn’t find a way to control the File Browser indentation, I found that I can simulate what you wanted by turning on File Icons. The AnaPpuccin theme reserves file icon space for the file entries. See screenshots below for On (first screenshot) and Off (second screenshot):