Examine source code of Blue snake smoke

{
  "theme": {
    "images": {
      "theme_frame": "Blue-black-header.png"
    },
    "colors": {
      "frame": "#1a08a1",
      "tab_background_text": "#62bce3"
    }
  },
  "version": "2.0",
  "name": "Blue snake smoke",
  "manifest_version": 2,
  "description": "Smokey blue."
}