Examine source code of VintaCian

{
  "name": "VintaCian",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "ttt.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0)",
      "tab_background_text": "rgba(224, 252, 255, 1)",
      "toolbar": "rgba(0, 87, 107, 0.26)",
      "bookmark_text": "rgba(209, 252, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.2)",
      "toolbar_field_text": "rgba(219, 255, 253, 1)",
      "tab_line": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e518c0c-14c5-41f4-8757-cef82c1a4bd5}"
    }
  }
}