Examine source code of Simple orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Simple orange",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-038-6c77b9d7dc86f50c6cd82f9c9b1f36f0.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(210, 124, 99)",
      "toolbar_text": "rgb(244, 201, 201)",
      "frame": "rgb(244, 139, 108)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgba(245, 216, 176, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(26, 25, 26)",
      "popup": "rgb(240, 115, 78)",
      "popup_text": "rgb(203, 205, 208)",
      "sidebar": "rgb(249, 185, 177)",
      "tab_loading": "rgb(26, 25, 26)"
    }
  }
}