Examine source code of Nyashka Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nyashka Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-025-ffb27cfded66d27a465aeffe41e9fe61.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(43, 21, 47)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(78, 34, 84)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(81, 43, 85)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(205, 35, 185)",
      "popup": "rgb(43, 21, 47)",
      "popup_text": "rgb(215, 226, 239)",
      "tab_loading": "rgb(205, 35, 185)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d18b7aa4-6e83-4f14-bef0-2fc84b3b7bc1}"
    }
  }
}