Examine source code of White Tree

{
  "theme": {
    "images": {
      "theme_frame": "white_tree.png"
    },
    "colors": {
      "frame": "#1b4db3",
      "tab_background_text": "#bac"
    }
  },
  "version": "2.0",
  "name": "White Tree",
  "manifest_version": 2,
  "description": "whats up"
}