Examine source code of Neko Fox

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "Nekofox",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(15, 15, 15)",
      "toolbar_field": "rgb(8, 8, 8)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 200, 0)",
      "popup": "rgb(20, 20, 20)",
      "popup_text": "rgb(90, 90, 90)",
      "tab_loading": "rgb(255, 200, 0)",
      "bookmark_text": "rgb(189, 189, 189)",
      "frame": "rgb(12, 12, 12)",
      "tab_background_text": "rgb(90, 90, 90)"
    }
  }
}