Examine source code of Ed & Al Eric(ANIMATED)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ed & Al Eric(ANIMATED)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(46, 116, 105)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.09)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(13, 13, 13)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(125, 184, 145)",
      "tab_loading": "rgb(13, 13, 13)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a5edca7a-991c-42f7-8852-68a7ce0b5ddf}"
    }
  }
}