Examine source code of oneshot Town

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "OneShot Town",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(93, 14, 55)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(160, 43, 156)",
      "tab_background_text": "rgb(255, 46, 105)",
      "toolbar_field": "rgb(43, 5, 40)",
      "toolbar_field_text": "rgb(255, 65, 143)",
      "tab_line": "rgb(208, 34, 82)",
      "popup": "rgb(38, 6, 32)",
      "popup_text": "rgb(213, 32, 80)",
      "tab_loading": "rgb(208, 34, 82)"
    }
  }
}