Examine source code of Simple Elegance 2

{
  "theme": {
    "images": {
      "theme_frame": "Simple-Elegance-2-Header.jpg"
    },
    "colors": {
      "frame": "#383737",
      "tab_background_text": "#dedada"
    }
  },
  "version": "2.0",
  "name": "Simple Elegance 2",
  "manifest_version": 2,
  "description": "Calm, Peaceful, Visually Uncluttered, Elegant, Clean. Works with tabs at the top."
}