Examine source code of Santa Hat Animation

{
  "theme": {
    "images": {
      "theme_frame": "Santahat.png"
    },
    "colors": {
      "frame": "#f70808",
      "tab_background_text": "#19fc00"
    }
  },
  "version": "2.0",
  "name": "Santa Hat Animation",
  "manifest_version": 2,
  "description": "A Santa hat that moves!"
}