Examine source code of BEACHROCK

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_BEACHROCK.jpg"
    },
    "colors": {
      "frame": "#a3a0a0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "BEACHROCK",
  "manifest_version": 2,
  "description": "At sunset, wave washes Waikiki Beach and lava rock with color. Real photo, natural color."
}