Examine source code of Photon Clash

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Photon Clash",
  "manifest_version": 2,
  "description": "This Firefox persona is a brightly-colored spectrum-like theme.\nCryptocurrency Donations are welcome:\n\nBitcoin: 1FCCgn2Exsg9n6EKVReNoSbZRwBBrZTWFA\nLitecoin: LaLvkmT5sPytQEJQfyQmRo99UN1pUQrwC3\nPPCoin: PScpbDiSXNcVdGz5NDwRYScUrLQg2Du5qB"
}