Examine source code of GolfGentry

{
  "name": "Acrylic Art",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "1000058501.jpg"
    },
    "colors": {
      "frame": "rgba(52, 115, 25, 1)",
      "tab_background_text": "rgba(23, 21, 21, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(255, 0, 47, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{42ce0cf5-56d2-4896-9ea3-42cc507296f3}"
    }
  }
}