Examine source code of Kryptonite makes me weak

{
  "theme": {
    "images": {
      "theme_frame": "Optimized-Kryptonite_Banner.png"
    },
    "colors": {
      "frame": "#1bd490",
      "tab_background_text": "#0cf051"
    }
  },
  "version": "2.0",
  "name": "Kryptonite makes me weak",
  "manifest_version": 2,
  "description": "Kryptonite crystals glowing in the light"
}