Examine source code of Floating Mountain

{
  "theme": {
    "images": {
      "theme_frame": "top.jpg"
    },
    "colors": {
      "frame": "#d7ffd6",
      "tab_background_text": "#e8e8e8"
    }
  },
  "version": "2.0",
  "name": "Floating Mountain",
  "manifest_version": 2,
  "description": "During my spare time.\nGive it a try and send me your feedback at unadrielas@gmail.com\n\nEnjoy :)"
}