Examine source code of Cartoon Drow Ranger

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cartoon Drow Ranger",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(20, 64, 83, 0)",
      "toolbar_text": "rgb(102, 211, 237)",
      "frame": "rgb(24, 29, 38)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(8, 9, 21)",
      "tab_line": "rgb(112, 215, 248)",
      "popup": "rgb(34, 109, 136)",
      "popup_text": "rgb(128, 210, 240)",
      "icons": "rgb(87, 199, 230)",
      "tab_loading": "rgb(112, 215, 248)"
    }
  }
}