Examine source code of wisteria

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "wisteria",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(171, 149, 81, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(128, 91, 187)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(230, 206, 255, 0.8)",
      "toolbar_field_text": "rgb(117, 77, 169)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(199, 176, 239)",
      "popup_text": "rgb(128, 91, 187)",
      "icons_attention": "rgb(117, 77, 169)",
      "ntp_background": "rgb(230, 206, 255)",
      "ntp_text": "rgb(117, 77, 169)",
      "popup_border": "rgb(128, 91, 187)",
      "popup_highlight": "rgb(128, 91, 187)",
      "sidebar_border": "rgb(128, 91, 187)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(128, 91, 187)",
      "sidebar_text": "rgb(117, 77, 169)",
      "sidebar": "rgb(199, 176, 239)",
      "tab_loading": "rgb(55, 37, 84)",
      "toolbar_bottom_separator": "rgb(128, 91, 187)",
      "toolbar_field_border_focus": "rgb(117, 77, 169)",
      "toolbar_field_focus": "rgba(230, 206, 255, 0.8)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(128, 91, 187)",
      "toolbar_field_separator": "rgb(128, 91, 187)",
      "toolbar_field_text_focus": "rgb(128, 91, 187)",
      "toolbar_top_separator": "rgba(171, 149, 81, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4959537d-8723-4bbf-9f4d-54263988b7fc}"
    }
  }
}