Examine source code of Astitva Nature

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Astitva Nature",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(111, 54, 66)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 43, 43)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(111, 54, 66)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(199, 132, 23)",
      "popup": "rgb(1, 53, 53)",
      "popup_text": "rgb(215, 226, 239)",
      "tab_loading": "rgb(199, 132, 23)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ed8a2dc6-3554-4270-b7f4-9e99c95d2dba}"
    }
  }
}