Examine source code of Nobu

{
  "manifest_version": 2,
  "version": "9.0",
  "name": "Nobu",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(166, 132, 5)",
      "frame": "rgb(124, 77, 84)",
      "tab_background_text": "rgb(161, 129, 8)",
      "toolbar_field": "rgba(255, 255, 255, 0.15)",
      "toolbar_field_text": "rgb(166, 132, 1)",
      "tab_line": "rgba(204, 164, 1, 0)",
      "popup": "rgba(255, 255, 255, 0.75)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(130, 18, 19, 0.38)",
      "tab_selected": "rgba(255, 255, 255, 0.06)",
      "toolbar_field_border_focus": "rgba(159, 4, 4, 0.49)",
      "toolbar_top_separator": "rgba(218, 82, 82, 0)",
      "toolbar_vertical_separator": "rgba(218, 82, 82, 0)",
      "tab_loading": "rgba(204, 164, 1, 0)"
    }
  }
}