Examine source code of Brownie Fancy

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Brownie darker",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-016-af8c49de75012ca2c007f953ff2e4499.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(68, 52, 24)",
      "toolbar_text": "rgb(252, 193, 85)",
      "frame": "rgb(54, 37, 11)",
      "tab_background_text": "rgb(255, 223, 175)",
      "toolbar_field": "rgb(39, 24, 3)",
      "toolbar_field_text": "rgb(246, 196, 115)",
      "tab_line": "rgb(255, 159, 0)",
      "popup": "rgb(54, 37, 11)",
      "popup_text": "rgb(241, 215, 173)",
      "tab_loading": "rgb(255, 159, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba4a68d6-139b-4bf5-b61f-eddcb4c42488}"
    }
  }
}