Examine source code of RICCA

{
  "name": "RICCA",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "7433F79E-5DBC-450A-8130-A2DD2B72917F123.jpg"
    },
    "colors": {
      "frame": "rgba(112, 234, 255, 1)",
      "tab_background_text": "rgba(255, 0, 230, 1)",
      "toolbar": "rgba(0, 0, 0, 0.22)",
      "bookmark_text": "rgba(255, 0, 230, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.32)",
      "toolbar_field_text": "rgba(255, 0, 230, 1)",
      "tab_line": "rgba(255, 20, 220, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{17c04589-87aa-4e4a-b18e-188aafbcc321}"
    }
  }
}