Examine source code of Soul Eater Graffity

{
  "theme": {
    "images": {
      "theme_frame": "souleatergraffity.jpg"
    },
    "colors": {
      "frame": "#008204",
      "tab_background_text": "#c7fff3"
    }
  },
  "version": "2.0",
  "name": "Soul Eater Graffity",
  "manifest_version": 2,
  "description": "Soul Eater Graffity\nit looks funny^^\nI do not claim any right to this picture, it belongs to the owner only"
}