Examine source code of Brown and leaf

{
  "theme": {
    "images": {
      "theme_frame": "header_leaf.png"
    },
    "colors": {
      "frame": "#26261c",
      "tab_background_text": "#141212"
    }
  },
  "version": "2.0",
  "name": "Brown and leaf",
  "manifest_version": 2,
  "description": "Brown lines and many leafs, they are green. It's a simple persona-style, and it loads fast! Try it!"
}