Examine source code of Foxy4Me

{
  "name": "Foxy",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_8879010351774.jpeg"
    },
    "colors": {
      "toolbar": "rgba(242, 27, 27, 1)",
      "toolbar_field": "rgba(247, 239, 239, 1)",
      "toolbar_field_text": "rgba(10, 9, 9, 1)",
      "frame": "rgba(1, 5, 13, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(250, 247, 247, 1)"
    }
  }
}