Examine source code of Atomic_green

{
  "theme": {
    "images": {
      "theme_frame": "atom_head_final.png"
    },
    "colors": {
      "frame": "#b0b0b0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Atomic_green",
  "manifest_version": 2,
  "description": "Made this after i was experimenting with Photoshop for some weeks."
}