Examine source code of the 2 legends

{
  "theme": {
    "images": {
      "theme_frame": "firefoxpersoncc1.jpg"
    },
    "colors": {
      "frame": "#7dfbff",
      "tab_background_text": "#62d6b7"
    }
  },
  "version": "2.0",
  "name": "the 2 legends",
  "manifest_version": 2,
  "description": "best 2 players last 20 ys"
}