Examine source code of w88au

{
  "name": "w88au",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "theme-w88au.jpg"
    },
    "colors": {
      "frame": "rgba(123, 157, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  }
}