Examine source code of Punk is dead!

{
  "manifest_version": 2,
  "version": "3",
  "name": "punk-0923",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(68, 68, 68, 0.57)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(15, 130, 127)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(0, 0, 0, 0.37)",
      "toolbar_field_text": "rgb(0, 255, 62)",
      "tab_line": "rgba(255, 255, 255, 0.94)",
      "popup": "rgb(47, 166, 160)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgba(35, 189, 168, 0.66)",
      "button_background_hover": "rgba(40, 172, 43, 0.79)",
      "frame_inactive": "rgb(255, 255, 255)",
      "ntp_background": "rgba(49, 96, 113, 0.21)",
      "popup_border": "rgb(0, 0, 0)",
      "popup_highlight_text": "rgba(0, 0, 0, 0.91)",
      "popup_highlight": "rgba(95, 123, 120, 0.81)",
      "sidebar_border": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(102, 221, 105)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(47, 166, 160)",
      "tab_background_separator": "rgb(255, 255, 255)",
      "tab_loading": "rgb(47, 166, 53)",
      "tab_selected": "rgba(47, 166, 160, 0.74)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(0, 0, 0)",
      "toolbar_field_border": "rgb(255, 255, 255)",
      "toolbar_field_focus": "rgba(181, 181, 181, 0.84)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(67, 67, 65)",
      "toolbar_field_separator": "rgba(255, 241, 0, 0)",
      "toolbar_field_text_focus": "rgba(255, 241, 0, 0)",
      "toolbar_top_separator": "rgba(255, 255, 255, 0)",
      "toolbar_vertical_separator": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd4e0776-1f07-4e04-8f46-d828b7fb6c12}"
    }
  }
}