Examine source code of Ginga legend

{
  "theme": {
    "images": {
      "theme_frame": "pause006.JPG"
    },
    "colors": {
      "frame": "#46b3c9",
      "tab_background_text": "#3e21c2"
    }
  },
  "version": "2.0",
  "name": "Ginga legend",
  "manifest_version": 2,
  "description": "Gin from Ginga Nagareboshi Gin\nand Weed from Ginga Densetsu Weed\nI saw there were no other GDW or GNG so I made one ^-^"
}