Examine source code of Green Bar 2

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#103306",
      "tab_background_text": "#f1faf0"
    }
  },
  "version": "2.0",
  "name": "Green Bar 2",
  "manifest_version": 2,
  "description": "Green Bar Design"
}