Examine source code of Eye Catcher

{
  "theme": {
    "images": {
      "theme_frame": "FFcopy.jpg"
    },
    "colors": {
      "frame": "#ede6e6",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Eye Catcher",
  "manifest_version": 2,
  "description": "A flaming eye ball with a blue sandstone canvas cut to show fiery wall behind it. My first custom persona also."
}