Examine source code of among us crewmente

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "among us crewmente",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top",
        "center bottom",
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat-y",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(11, 239, 205, 0.38)",
      "toolbar_text": "rgb(6, 102, 72)",
      "frame": "rgb(10, 253, 237)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(10, 242, 251)",
      "toolbar_field_text": "rgb(4, 17, 255)",
      "tab_line": "rgb(5, 8, 254)",
      "popup": "rgb(5, 125, 246)",
      "popup_text": "rgb(0, 203, 255)",
      "ntp_background": "rgb(29, 219, 155)",
      "tab_loading": "rgb(5, 8, 254)"
    }
  }
}