Examine source code of Norton Commando 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Norton Commando 2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center",
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(19, 16, 1, 0.1)",
      "toolbar_text": "rgb(249, 223, 12)",
      "frame": "rgb(249, 249, 249)",
      "tab_background_text": "rgb(248, 248, 5)",
      "toolbar_field": "rgba(252, 255, 255, 0.57)",
      "toolbar_field_text": "rgb(19, 16, 1)",
      "tab_line": "rgb(248, 248, 5)",
      "popup": "rgb(252, 255, 255)",
      "popup_text": "rgb(0, 1, 6)",
      "ntp_background": "rgb(255, 255, 255)",
      "ntp_text": "rgb(19, 16, 1)",
      "tab_loading": "rgb(248, 248, 5)"
    }
  }
}