Examine source code of Louis W!

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Louis!",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(21, 25, 27)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(13, 13, 13)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(46, 51, 56)",
      "toolbar_field_text": "rgb(210, 213, 231)",
      "tab_line": "rgb(173, 9, 43)",
      "popup": "rgb(1, 2, 24)",
      "popup_text": "rgb(197, 198, 224)",
      "sidebar_border": "rgb(174, 6, 20)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(9, 34, 50)",
      "tab_loading": "rgb(173, 9, 43)"
    }
  }
}