Examine source code of This Day In Rock.com

{
  "theme": {
    "images": {
      "theme_frame": "Thisdayinrock-5.jpg"
    },
    "colors": {
      "frame": "#8c2626",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "This Day In Rock.com",
  "manifest_version": 2,
  "description": "This day in rock dot com orange. Rock history blog. Non profit."
}