Examine source code of Regal Estates

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Regal Estates",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(16, 16, 16, 0.71)",
      "toolbar_text": "rgb(179, 179, 179)",
      "frame": "rgb(17, 19, 29)",
      "tab_background_text": "rgb(107, 103, 88)",
      "toolbar_field": "rgba(116, 117, 126, 0)",
      "toolbar_field_text": "rgb(127, 127, 127)",
      "tab_line": "rgb(107, 103, 88)",
      "popup": "rgba(29, 19, 33, 0.61)",
      "popup_text": "rgb(138, 138, 138)",
      "icons_attention": "rgb(170, 170, 170)",
      "icons": "rgb(107, 103, 88)",
      "ntp_background": "rgb(17, 19, 29)",
      "ntp_text": "rgb(197, 197, 197)",
      "popup_border": "rgba(33, 33, 33, 0)",
      "sidebar_text": "rgb(170, 170, 170)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_background_separator": "rgba(61, 27, 229, 0)",
      "tab_selected": "rgba(105, 0, 0, 0)",
      "toolbar_bottom_separator": "rgb(17, 19, 29)",
      "toolbar_field_border_focus": "rgb(70, 70, 70)",
      "toolbar_field_border": "rgba(34, 44, 68, 0)",
      "toolbar_field_focus": "rgba(29, 19, 33, 0)",
      "toolbar_field_highlight": "rgba(123, 130, 146, 0.59)",
      "toolbar_field_text_focus": "rgba(34, 44, 68, 0.22)",
      "toolbar_top_separator": "rgb(107, 103, 88)",
      "tab_loading": "rgb(107, 103, 88)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad644ede-94de-4c12-9c1e-bd7f259e02eb}"
    }
  }
}