Examine source code of Amethyst Valley 3

{
  "theme": {
    "images": {
      "theme_frame": "amethystvalley3.jpg"
    },
    "colors": {
      "frame": "#d9bf3b",
      "tab_background_text": "#cf680f"
    }
  },
  "version": "2.0",
  "name": "Amethyst Valley 3",
  "manifest_version": 2,
  "description": "3rd design of the Amethyst Valley blogsite"
}