Examine source code of Rich Chocolate

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rich Chocolate",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-013-06591d4ad28ab7b9ee90f62f81d6b505.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(46, 34, 29)",
      "toolbar_text": "rgb(236, 222, 222)",
      "frame": "rgb(17, 16, 14)",
      "tab_background_text": "rgb(163, 129, 112)",
      "toolbar_field": "rgb(174, 157, 148)",
      "toolbar_field_text": "rgb(96, 49, 21)",
      "tab_line": "rgba(0, 0, 0, 0)",
      "popup": "rgb(9, 10, 16)",
      "popup_text": "rgb(251, 227, 215)",
      "tab_loading": "rgba(0, 0, 0, 0)"
    }
  }
}