Examine source code of Ugly Mess

{
  "manifest_version": 2,
  "version": "1.0",
  "name": " Ugly Mess",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-009-f069b97f439938a011297c84464f0df6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(49, 109, 201)",
      "toolbar_text": "rgb(1, 193, 208)",
      "frame": "rgb(114, 254, 14)",
      "tab_background_text": "rgb(232, 19, 239)",
      "toolbar_field": "rgb(148, 42, 17)",
      "toolbar_field_text": "rgb(17, 50, 72)",
      "tab_line": "rgb(106, 39, 64)",
      "popup": "rgb(42, 3, 172)",
      "popup_text": "rgb(131, 250, 253)",
      "tab_loading": "rgb(106, 39, 64)"
    }
  }
}