3. Create another directory and it's child in your custom root path called ***public/css***.
4. Clone this repo on your gitea server and move all the files except gitea-matrix-theme.css to the templates directory in your custom root path that you created in step 2.
5. Move the gitea-matrix-theme.css into the public/css/ folder you created in step 3.
6. Set the ***arc-green*** built-in gitea theme active under ***Settings*** or set is as the default theme by finding your ***Site Administration > Configuration > Configuration File Path*** usually ***/.../gitea/app.ini***. Edit it to add this code to the last part of the file and save it: