Examine source code of Autumn is almost here

{
  "theme": {
    "images": {
      "theme_frame": "ultdarkmic.jpg"
    },
    "colors": {
      "frame": "#faf1c5",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Autumn is almost here",
  "manifest_version": 2,
  "description": "leafs autumn color blue gold yellow brown red green linen design drawing September October November beautiful cute writing 2012 Real.Twiligt"
}