Examine source code of Abstract Geisha

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Abstract Geisha",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(120, 131, 214, 0.6)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(205, 249, 245)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(205, 249, 245, 0.9)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(39, 133, 206)",
      "popup": "rgba(252, 185, 216, 0.9)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgba(34, 25, 77, 0.77)",
      "button_background_hover": "rgba(143, 133, 184, 0)",
      "popup_border": "rgba(87, 80, 116, 0.04)",
      "popup_highlight": "rgba(34, 25, 77, 0.06)",
      "sidebar_text": "rgba(34, 25, 77, 0)",
      "sidebar": "rgb(149, 132, 227)",
      "toolbar_field_border": "rgba(34, 25, 77, 0)",
      "tab_loading": "rgb(39, 133, 206)"
    }
  }
}