Examine source code of fade to green2

{
  "theme": {
    "images": {
      "theme_frame": "cabeza.png"
    },
    "colors": {
      "frame": "#8d9cfc",
      "tab_background_text": "#f2eaea"
    }
  },
  "version": "2.0",
  "name": "fade to green2",
  "manifest_version": 2,
  "description": "fade to green\nasd"
}