Examine source code of Plain Light Bliss

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "SNOTTERINO",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(248, 237, 236)",
      "toolbar_text": "rgb(140, 89, 87)",
      "frame": "rgb(243, 223, 223)",
      "tab_background_text": "rgb(82, 82, 82)",
      "toolbar_field": "rgb(253, 253, 253)",
      "toolbar_field_text": "rgb(26, 26, 26)",
      "tab_line": "rgb(28, 71, 227)",
      "popup": "rgb(248, 237, 236)",
      "popup_text": "rgb(140, 89, 87)",
      "toolbar_field_border": "rgb(196, 196, 196)",
      "tab_loading": "rgb(28, 71, 227)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1dcd9413-36e2-4b67-9633-7f30cae224e4}"
    }
  }
}