Examine source code of The Clash graffiti

{
  "theme": {
    "images": {
      "theme_frame": "Header.jpg"
    },
    "colors": {
      "frame": "#787878",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The Clash graffiti",
  "manifest_version": 2,
  "description": "The Clash graffiti font, Joe Strummer, Mick Jones, Paul Simonon, Topper Headon"
}