Examine source code of Japanese Wave

{
  "theme": {
    "images": {
      "theme_frame": "hokusai_wave_1.jpg"
    },
    "colors": {
      "frame": "#405769",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Japanese Wave",
  "manifest_version": 2,
  "description": "The famous Japanese wave woodblock "
}