Examine source code of Integrated Browser Environment

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Integrated Browser Environment",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(255, 108, 219)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 101, 217)",
      "toolbar_field": "rgb(58, 0, 77)",
      "toolbar_field_text": "rgb(87, 207, 255)",
      "tab_line": "rgb(119, 217, 255)",
      "popup": "rgba(0, 0, 0, 0.77)",
      "popup_text": "rgb(0, 183, 255)",
      "button_background_active": "rgba(255, 101, 217, 0.57)",
      "button_background_hover": "rgba(197, 239, 255, 0.4)",
      "frame_inactive": "rgb(44, 0, 255)",
      "icons_attention": "rgb(255, 255, 0)",
      "icons": "rgba(87, 207, 255, 0.74)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(0, 183, 255)",
      "popup_border": "rgb(255, 101, 217)",
      "popup_highlight_text": "rgba(58, 0, 77, 0.61)",
      "popup_highlight": "rgb(0, 183, 255)",
      "sidebar_border": "rgb(255, 101, 217)",
      "sidebar_highlight_text": "rgb(255, 101, 217)",
      "sidebar_highlight": "rgb(0, 0, 0)",
      "sidebar_text": "rgb(0, 183, 255)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_background_separator": "rgb(0, 183, 255)",
      "tab_loading": "rgb(0, 183, 255)",
      "tab_selected": "rgba(0, 184, 255, 0.32)",
      "tab_text": "rgb(0, 183, 255)",
      "toolbar_bottom_separator": "rgb(255, 101, 217)",
      "toolbar_field_border_focus": "rgb(255, 101, 217)",
      "toolbar_field_border": "rgba(197, 239, 255, 0.4)",
      "toolbar_field_focus": "rgba(58, 0, 77, 0.77)",
      "toolbar_field_highlight_text": "rgb(58, 0, 77)",
      "toolbar_field_highlight": "rgba(255, 101, 217, 0.79)",
      "toolbar_field_separator": "rgba(58, 0, 77, 0.61)",
      "toolbar_field_text_focus": "rgb(255, 101, 217)",
      "toolbar_vertical_separator": "rgb(255, 101, 217)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9f563735-2483-4be2-ba7e-7f8a8308843d}"
    }
  }
}