Examine source code of Fairy Forest Goddess

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fairy Forest GODDESS",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(31, 34, 61, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(57, 23, 63)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(93, 62, 100, 0.78)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(205, 35, 185, 0)",
      "popup": "rgb(116, 83, 123)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(205, 35, 185, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aeaa2bf5-104d-4405-971a-dc4828ddeb42}"
    }
  }
}