Examine source code of Delectable Cub 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Delectable Cub 2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(107, 72, 30)",
      "toolbar_text": "rgb(217, 156, 109)",
      "frame": "rgb(218, 156, 109)",
      "tab_background_text": "rgb(217, 156, 109)",
      "toolbar_field": "rgb(248, 226, 149)",
      "toolbar_field_text": "rgb(201, 128, 67)",
      "tab_line": "rgb(107, 72, 30)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(250, 235, 206)",
      "tab_loading": "rgb(107, 72, 30)"
    }
  }
}