Examine source code of Kaeya Namecard (long)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Kaeya Namecard",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(42, 69, 76, 0.19)",
      "toolbar_text": "rgb(99, 127, 145)",
      "frame": "rgb(182, 209, 215)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(0, 4, 12, 0.17)",
      "toolbar_field_text": "rgb(244, 249, 251)",
      "tab_line": "rgb(1, 195, 255)",
      "popup": "rgb(58, 67, 80)",
      "popup_text": "rgb(146, 207, 232)",
      "tab_loading": "rgb(1, 195, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d238cf7a-d81a-40ec-80c0-cdbde8bca4ec}"
    }
  }
}