Examine source code of Proverbs 3:27 - Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Proverbs 3:27 - Dark",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(43, 42, 51)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(61, 99, 93)",
      "tab_background_text": "rgb(247, 189, 169)",
      "toolbar_field": "rgb(28, 27, 34)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(43, 42, 51)",
      "popup": "rgb(43, 42, 51)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(43, 42, 51)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgba(0, 0, 0, 0)",
      "popup_highlight_text": "rgb(0, 0, 0)",
      "popup_highlight": "rgb(247, 189, 169)",
      "tab_text": "rgb(247, 189, 169)",
      "toolbar_bottom_separator": "rgb(43, 42, 51)",
      "toolbar_field_border_focus": "rgb(61, 99, 93)",
      "toolbar_top_separator": "rgb(43, 42, 51)",
      "tab_loading": "rgb(43, 42, 51)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2a188acf-ff22-4740-bed7-b7b3d1546500}"
    }
  }
}