Examine source code of Circadian Savior

{
  "name": "Circadian Savior",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Mountains and Moon.jpg"
    },
    "colors": {
      "frame": "rgba(81, 40, 161, 1)",
      "tab_background_text": "rgba(149, 25, 194, 1)",
      "toolbar": "rgba(133, 15, 15, 1)",
      "bookmark_text": "rgba(201, 44, 44, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(207, 40, 15, 1)"
    }
  }
}