Examine source code of GeForce Now Theme

{
  "name": "GeForce Now Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "geforce-now-1000-games-background-image-spec2-bb580_440-d.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(32, 247, 71, 1)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "toolbar_field": "rgba(0, 2, 105, 0)"
    }
  }
}