Examine source code of RS-VirtualJunior

{
  "name": "RS-VirtualJunior",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Firefox2.png"
    },
    "colors": {
      "frame": "rgba(113, 155, 240, 0.01)",
      "tab_background_text": "rgba(152, 204, 230, 1)",
      "bookmark_text": "rgba(100, 86, 247, 1)",
      "toolbar_field_text": "rgba(176, 208, 235, 1)"
    }
  }
}