Examine source code of inthesea

{
  "name": "Ocean",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "file-20180619-126566-1jxjod2.jpg"
    },
    "colors": {
      "frame": "rgba(187, 205, 240, 1)",
      "tab_background_text": "rgba(163, 164, 168, 1)",
      "toolbar": "rgba(125, 125, 125, 1)",
      "bookmark_text": "rgba(133, 125, 125, 1)"
    }
  }
}