Examine source code of Red Jazz

{
  "manifest_version": 2,
  "version": "2",
  "name": "redjazz",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(100, 47, 47, 0.5)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(93, 94, 94, 0.76)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(251, 247, 247)",
      "popup": "rgb(93, 94, 94)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(150, 2, 2, 0.61)",
      "button_background_hover": "rgba(0, 0, 0, 0.73)",
      "frame_inactive": "rgb(248, 243, 243)",
      "popup_border": "rgb(255, 255, 255)",
      "popup_highlight_text": "rgba(210, 206, 206, 0.91)",
      "popup_highlight": "rgb(143, 143, 143)",
      "sidebar_border": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgba(117, 15, 17, 0.71)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(93, 94, 94)",
      "tab_background_separator": "rgb(255, 255, 255)",
      "tab_loading": "rgba(57, 57, 57, 0.88)",
      "tab_selected": "rgba(146, 6, 16, 0.75)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgba(255, 255, 255, 0.79)",
      "toolbar_field_border": "rgb(113, 112, 112)",
      "toolbar_field_focus": "rgba(0, 0, 0, 0.84)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(117, 46, 46)",
      "toolbar_field_separator": "rgb(247, 247, 251)",
      "toolbar_field_text_focus": "rgba(0, 0, 0, 0)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0)",
      "toolbar_vertical_separator": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{67220c41-7715-47f7-992d-5970dd04d1bd}"
    }
  }
}