Examine source code of Fans OptiC

{
  "name": "Fans OptiC",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "jAx6Ryr5z7A.jpg"
    },
    "colors": {
      "frame": "rgba(88, 119, 186, 1)",
      "tab_background_text": "rgba(152, 179, 18, 1)",
      "toolbar": "rgba(135, 32, 32, 1)",
      "bookmark_text": "rgba(255, 174, 0, 1)",
      "toolbar_field": "rgba(194, 209, 25, 1)",
      "toolbar_field_text": "rgba(31, 74, 217, 1)"
    }
  }
}