Examine source code of Animation Tutorial

{
  "theme": {
    "images": {
      "theme_frame": "Ani-Tutorial-Header.png"
    },
    "colors": {
      "frame": "#616060",
      "tab_background_text": "#758f2c"
    }
  },
  "version": "2.0",
  "name": "Animation Tutorial",
  "manifest_version": 2,
  "description": "Mouse over for a quick-tip animated tutorial."
}