Examine source code of sea_waves

{
  "theme": {
    "images": {
      "theme_frame": "Waves-waves-sea-ocean--5120x1600.jpg"
    },
    "colors": {
      "frame": "#1b84f5",
      "tab_background_text": "#139bf0"
    }
  },
  "version": "2.0",
  "name": "sea_waves",
  "manifest_version": 2,
  "description": "sea waves"
}