Examine source code of Carbon and Green

{
  "theme": {
    "images": {
      "theme_frame": "headercarbogreen.png"
    },
    "colors": {
      "frame": "#f7f4f4",
      "tab_background_text": "#13f222"
    }
  },
  "version": "2.0",
  "name": "Carbon and Green",
  "manifest_version": 2,
  "description": "simple carbon and green color"
}