Examine source code of Type 0 negative

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#102411",
      "tab_background_text": "#d9ffdf"
    }
  },
  "version": "2.0",
  "name": "Type 0 negative",
  "manifest_version": 2,
  "description": "plain simpe theme for Type O lovers like me. =) R.I.P. Peter!"
}