Examine source code of Amalgamation

{
  "theme": {
    "images": {
      "theme_frame": "Hexeshead.jpg"
    },
    "colors": {
      "frame": "#c4c0c0",
      "tab_background_text": "#72e8e6"
    }
  },
  "version": "2.0",
  "name": "Amalgamation",
  "manifest_version": 2,
  "description": "Blue/silver hexagonals with light rays and pale blue text.\nAll the best.\nDay."
}