Examine source code of mac plastique

{
  "theme": {
    "images": {
      "theme_frame": "ff_header.png"
    },
    "colors": {
      "frame": "#d9c3c3",
      "tab_background_text": "#c7cede"
    }
  },
  "version": "2.0",
  "name": "mac plastique",
  "manifest_version": 2,
  "description": "v1"
}