Examine source code of cocteau twisted

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "cocteau twisted",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(252, 252, 252)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(39, 52, 127)",
      "tab_line": "rgb(248, 248, 248)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(11, 11, 11)",
      "tab_loading": "rgb(248, 248, 248)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e21affd-bcd7-47d9-a205-a91303ed4f90}"
    }
  }
}