Examine source code of Black Orange Logo Arch

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Black Orange Logo Arch",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(175, 129, 49)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(23, 83, 100)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(175, 129, 49)",
      "tab_line": "rgb(113, 23, 44)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(175, 129, 49)",
      "toolbar_top_separator": "rgba(0, 0, 0, 0)",
      "tab_loading": "rgb(113, 23, 44)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3425dfb5-6813-4828-8515-7a66980d8186}"
    }
  }
}