Examine source code of Purple World

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple Haze",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(184, 155, 216)",
      "toolbar_text": "rgb(235, 235, 20)",
      "frame": "rgb(223, 182, 246)",
      "tab_background_text": "rgb(235, 235, 20)",
      "toolbar_field": "rgb(223, 182, 246)",
      "toolbar_field_text": "rgb(81, 33, 90)",
      "tab_line": "rgb(235, 235, 20)",
      "popup": "rgb(236, 220, 249)",
      "popup_text": "rgb(102, 25, 129)",
      "tab_loading": "rgb(235, 235, 20)"
    }
  }
}