Examine source code of Symplex

{
  "theme": {
    "images": {
      "theme_frame": "SymplexHeader.jpg"
    },
    "colors": {
      "frame": "#292305",
      "tab_background_text": "#c48a16"
    }
  },
  "version": "2.0",
  "name": "Symplex",
  "manifest_version": 2,
  "description": "Something simple"
}