Examine source code of Gaming

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gaming",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(63, 69, 72)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(59, 69, 75)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(64, 59, 60)",
      "toolbar_field_text": "rgb(191, 192, 254)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(63, 69, 72)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f7e725c1-b38e-4856-b4c3-8de1a0ee9839}"
    }
  }
}