Examine source code of Dew Drops

{
  "theme": {
    "images": {
      "theme_frame": "dewdropsheader.jpg"
    },
    "colors": {
      "frame": "#03913c",
      "tab_background_text": "#f2d5d5"
    }
  },
  "version": "2.0",
  "name": "Dew Drops",
  "manifest_version": 2,
  "description": "it rained!"
}