Examine source code of By the sea~~

{
  "name": "CRL",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "JotaroFInal.png"
    },
    "colors": {
      "frame": "rgba(223, 227, 237, 1)",
      "tab_background_text": "rgba(175, 200, 224, 1)",
      "toolbar": "rgba(219, 207, 184, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(233, 238, 242, 1)",
      "toolbar_field_text": "rgba(232, 221, 190, 1)"
    }
  }
}