Examine source code of Solarized-Palenight

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Solarized-Palenight",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(7, 54, 66)",
      "toolbar_text": "rgb(244, 244, 244)",
      "frame": "rgb(0, 33, 43)",
      "tab_background_text": "rgb(145, 174, 183)",
      "toolbar_field": "rgb(0, 64, 82)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(28, 52, 59)",
      "popup": "rgb(0, 33, 43)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(11, 77, 94)",
      "tab_loading": "rgb(28, 52, 59)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9b5707ea-6d4f-4e8c-af47-aaa28a0363d9}"
    }
  }
}