Examine source code of Gold black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gold black",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 32, 33)",
      "toolbar_text": "rgb(240, 210, 84)",
      "frame": "rgb(2, 68, 248)",
      "tab_background_text": "rgb(240, 43, 84)",
      "toolbar_field": "rgb(221, 155, 57)",
      "toolbar_field_text": "rgb(1, 1, 6)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(248, 244, 244)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}