Examine source code of tf88

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "my Christmas present",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(163, 233, 159, 0.47)",
      "toolbar_text": "rgb(16, 143, 137)",
      "frame": "rgb(232, 241, 231)",
      "tab_background_text": "rgb(189, 8, 34)",
      "toolbar_field": "rgba(0, 0, 0, 0.42)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(69, 44, 233)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(69, 44, 233)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{091f0b9e-1a62-4f42-96f8-33628a5b6a75}"
    }
  }
}