Examine source code of rheinbrand - 1967

{
  "theme": {
    "images": {
      "theme_frame": "rheinbrand_03c.png"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "rheinbrand - 1967",
  "manifest_version": 2,
  "description": "1967 - my generation in flames\nby rheinbrand"
}