Examine source code of Beyond The Lighthouse

{
  "name": "Lighthouse Blue Skies",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "LighthouseBlueSkies.png"
    },
    "colors": {
      "toolbar": "rgba(204, 237, 240, 0.45)",
      "toolbar_field": "rgba(187, 207, 252, 0.49)",
      "toolbar_field_text": "rgba(109, 140, 176, 1)",
      "frame": "rgba(40, 85, 143, 1)",
      "tab_background_text": "rgba(61, 100, 255, 1)",
      "bookmark_text": "rgba(112, 76, 8, 0.55)"
    }
  }
}