Examine source code of flashy colored squares 1

{
  "theme": {
    "images": {
      "theme_frame": "FLASHYrainbowedCOLORS.jpg"
    },
    "colors": {
      "frame": "#1a3001",
      "tab_background_text": "#e9ffcf"
    }
  },
  "version": "2.0",
  "name": "flashy colored squares 1",
  "manifest_version": 2,
  "description": "flashy colors colored fluorescent multicol multicolored squares geometric carre geometrique couleurs colores multicolore fluo"
}