Examine source code of Green Light

{
  "theme": {
    "images": {
      "theme_frame": "header1.jpg"
    },
    "colors": {
      "frame": "#9e9c9c",
      "tab_background_text": "#520909"
    }
  },
  "version": "2.0",
  "name": "Green Light",
  "manifest_version": 2,
  "description": "I wanted to try and make a Persona myself, so I strted and I think it looks pretty well."
}