Examine source code of Copper Dawn

{
  "theme": {
    "images": {
      "theme_frame": "Copper-Dawn-Header.jpg"
    },
    "colors": {
      "frame": "#b3afaf",
      "tab_background_text": "#b0fcfb"
    }
  },
  "version": "2.0",
  "name": "Copper Dawn",
  "manifest_version": 2,
  "description": "The rising morning sun spreads a beautiful copper-orange glow across the ocean at Cronulla Beach, Sydney, Australia."
}