Examine source code of Sharingan Eyes

{
  "name": "Sharingan Eyes",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "sharingan eyes.png"
    },
    "colors": {
      "frame": "rgba(255, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 189, 189, 0.62)",
      "bookmark_text": "rgba(255, 3, 3, 1)",
      "toolbar_field": "rgba(147, 143, 255, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(3, 45, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7c3482a0-feba-4b9a-846a-a274c2ee95e4}"
    }
  }
}