Examine source code of Firefly Serenity

{
  "theme": {
    "images": {
      "theme_frame": "serenity1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Firefly Serenity",
  "manifest_version": 2,
  "description": "Inspired by the ballad of serenity\n\n\"Take my love, take my land\nTake me where I cannot stand\nI don't care, I'm still free\nYou can't take the sky from me\nTake me out to the black\nTell them I ain't comin' back\nBurn the land and boil the sea\nYou can't take the sky from me\nThere's no place I can be\nSince I found Serenity\nBut you can't take the sky from me... \""
}