Examine source code of Food Materials

{
  "name": "Food Materials",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Food Materials.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(214, 240, 67, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f45281ce-5eb3-4de9-9396-13bb16dc858c}"
    }
  }
}