Examine source code of Arcade Carpet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Arcade Carpet",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-045-3e6898966e6ccdc87f80d23d4e7a6a49.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(71, 76, 77)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(59, 61, 63)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 224, 255)",
      "toolbar_field_text": "rgb(12, 88, 105)",
      "tab_line": "rgb(255, 238, 0)",
      "popup": "rgb(63, 63, 63)",
      "popup_text": "rgb(255, 95, 230)",
      "button_background_active": "rgb(255, 238, 0)",
      "button_background_hover": "rgba(0, 210, 255, 0.5)",
      "frame_inactive": "rgb(143, 153, 155)",
      "icons_attention": "rgb(255, 95, 230)",
      "icons": "rgb(255, 95, 230)",
      "ntp_background": "rgb(71, 76, 77)",
      "sidebar_border": "rgb(255, 95, 230)",
      "sidebar_highlight_text": "rgb(120, 113, 0)",
      "sidebar_highlight": "rgb(255, 238, 0)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(0, 224, 255)",
      "tab_background_separator": "rgb(255, 238, 0)",
      "tab_loading": "rgb(255, 238, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6864c78e-3ba2-4bfb-aa0d-5c2c1954ea8b}"
    }
  }
}