Examine source code of JustSomeStuff

{
  "theme": {
    "images": {
      "theme_frame": "lightweighttheme-header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#d9d9d9"
    }
  },
  "version": "2.0",
  "name": "JustSomeStuff",
  "manifest_version": 2,
  "description": "I needed a Persona to match the Divergence \"A new Hope\" Theme for ubuntu... thus the color gradients to dark gray, matching the top window border...\n\nI added some mystic-satanic-ritual-thingie to make it look less boring..."
}