Examine source code of Monument Valley Sunset

{
  "manifest_version": 2,
  "version": "7.0",
  "name": "Monument Valley Sunset",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 169, 0)",
      "popup": "rgb(253, 245, 229)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgb(143, 187, 63)",
      "ntp_background": "rgba(255, 255, 255, 0)",
      "sidebar_highlight_text": "rgb(255, 255, 255)",
      "sidebar_highlight": "rgb(143, 187, 63)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(255, 255, 255)",
      "tab_selected": "rgb(253, 245, 229)",
      "tab_text": "rgb(0, 0, 0)",
      "toolbar_bottom_separator": "rgb(143, 187, 63)",
      "toolbar_top_separator": "rgb(143, 187, 63)",
      "tab_loading": "rgb(255, 169, 0)"
    }
  }
}