Examine source code of The Laughing Man

{
  "theme": {
    "images": {
      "theme_frame": "sac_01h.jpg"
    },
    "colors": {
      "frame": "#3fbf3f",
      "tab_background_text": "#7fff7f"
    }
  },
  "version": "2.0",
  "name": "The Laughing Man",
  "manifest_version": 2,
  "description": "The Laughing Man\n\nKoukaku Kidoutai"
}