Examine source code of Katto Haven - Boundless

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Katto Haven - Boundless",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(6, 29, 29, 0.59)",
      "toolbar_text": "rgba(237, 255, 255, 0.99)",
      "frame": "rgb(0, 64, 74)",
      "tab_background_text": "rgb(251, 251, 251)",
      "toolbar_field": "rgba(2, 25, 25, 0.57)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(49, 242, 249, 0.69)",
      "popup": "rgba(1, 31, 36, 0.78)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(94, 237, 255, 0.41)",
      "button_background_hover": "rgba(32, 172, 188, 0.32)",
      "icons_attention": "rgba(83, 246, 255, 0.77)",
      "icons": "rgba(235, 255, 252, 0.81)",
      "ntp_background": "rgba(3, 32, 37, 0.99)",
      "ntp_text": "rgba(255, 255, 255, 0.99)",
      "popup_border": "rgba(91, 255, 220, 0.12)",
      "popup_highlight": "rgba(67, 204, 194, 0.38)",
      "sidebar_border": "rgba(91, 255, 251, 0.12)",
      "sidebar_highlight_text": "rgb(68, 255, 255)",
      "sidebar_highlight": "rgb(15, 131, 128)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(0, 26, 28)",
      "toolbar_field_border_focus": "rgba(22, 229, 207, 0.38)",
      "toolbar_field_highlight": "rgba(25, 181, 200, 0.59)",
      "toolbar_field_separator": "rgba(56, 253, 242, 0.19)",
      "toolbar_top_separator": "rgba(122, 216, 255, 0)",
      "tab_loading": "rgba(49, 242, 249, 0.69)"
    }
  }
}