Examine source code of Comix

{
  "manifest_version": 2,
  "version": "6",
  "name": "comic-1-0923",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.63)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(204, 199, 199)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(170, 103, 113, 0.69)",
      "popup": "rgba(0, 0, 0, 0.89)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(17, 54, 90)",
      "button_background_hover": "rgba(170, 103, 113, 0.69)",
      "frame_inactive": "rgb(194, 194, 199)",
      "icons_attention": "rgb(170, 103, 113)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgba(57, 57, 57, 0.81)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(17, 54, 90)",
      "popup_highlight_text": "rgb(255, 255, 255)",
      "popup_highlight": "rgb(38, 38, 41)",
      "sidebar_border": "rgb(0, 0, 0)",
      "sidebar_highlight_text": "rgb(248, 248, 251)",
      "sidebar_highlight": "rgba(170, 103, 113, 0.69)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(17, 54, 90)",
      "tab_background_separator": "rgba(238, 235, 238, 0.51)",
      "tab_loading": "rgba(170, 103, 113, 0.69)",
      "tab_selected": "rgba(0, 0, 0, 0.2)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(17, 54, 90)",
      "toolbar_field_border_focus": "rgba(193, 189, 189, 0.72)",
      "toolbar_field_border": "rgba(170, 103, 113, 0.69)",
      "toolbar_field_focus": "rgba(17, 54, 90, 0.69)",
      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
      "toolbar_field_highlight": "rgb(170, 103, 113)",
      "toolbar_field_separator": "rgba(170, 103, 113, 0.69)",
      "toolbar_field_text_focus": "rgb(170, 103, 113)",
      "toolbar_top_separator": "rgb(17, 54, 90)",
      "toolbar_vertical_separator": "rgba(170, 103, 113, 0.69)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dc977ef3-ba0e-4272-b43b-b2685cb67676}"
    }
  }
}