Examine source code of Hit Club

{
  "name": "Green Pink",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Green.png"
    },
    "colors": {
      "frame": "rgba(24, 112, 11, 1)",
      "tab_background_text": "rgba(240, 22, 218, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d526909-0d39-4075-bf9d-da4d593a4591}"
    }
  }
}