Examine source code of Screaming Spots

{
  "theme": {
    "images": {
      "theme_frame": "Spots2header.jpg"
    },
    "colors": {
      "frame": "#154bd4",
      "tab_background_text": "#d013ed"
    }
  },
  "version": "2.0",
  "name": "Screaming Spots",
  "manifest_version": 2,
  "description": "Vivid spots splashed across the screen."
}