Examine source code of GrayStyle

{
  "theme": {
    "images": {
      "theme_frame": "Personas01.png"
    },
    "colors": {
      "frame": "#807d7d",
      "tab_background_text": "#595858"
    }
  },
  "version": "2.0",
  "name": "GrayStyle",
  "manifest_version": 2,
  "description": "My first creation i hop you like it!"
}