Examine source code of Faded Stone Wall

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f5190a",
      "tab_background_text": "#edf04d"
    }
  },
  "version": "2.0",
  "name": "Faded Stone Wall",
  "manifest_version": 2,
  "description": "We build too many walls and not enough bridges.~Isaac Newton\n\nTAGS:\n     Stones, Walls, Textures, Grey, Gray"
}