Examine source code of Madvillain

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABSa.jpg"
    },
    "colors": {
      "frame": "#858585",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Madvillain",
  "manifest_version": 2,
  "description": "MF DOOM and Madlib are Madvillain. The two met in 2002 and soon began working on Madvillainy which would be finished over the next year and released in March 2004."
}