Examine source code of Fevered feathers

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fevered feather",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-019-7ce748211c61f9059493d4c4378e8a74.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(174, 243, 231)",
      "toolbar_text": "rgb(55, 113, 142)",
      "frame": "rgb(142, 227, 239)",
      "tab_background_text": "rgb(37, 78, 112)",
      "toolbar_field": "rgb(55, 113, 142)",
      "toolbar_field_text": "rgb(231, 63, 94)",
      "tab_line": "rgb(231, 63, 94)",
      "popup": "rgb(174, 243, 231)",
      "popup_text": "rgb(37, 78, 112)",
      "ntp_background": "rgb(142, 227, 239)",
      "ntp_text": "rgb(231, 63, 94)",
      "popup_border": "rgb(231, 63, 94)",
      "tab_loading": "rgb(231, 63, 94)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e8a911f-2bb4-40b5-a3d1-b12a41cb0801}"
    }
  }
}