Examine source code of Dodgers 4

{
  "name": "Dodgers 4",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "dodger_7.jpg"
    },
    "colors": {
      "frame": "rgba(234, 235, 237, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(172, 172, 181, 0.27)"
    }
  }
}