Examine source code of AB-SI light

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f65d2a",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "AB-SI light",
  "manifest_version": 2,
  "description": "My first theme, whit my web site mascot and a carbon-fiber style background."
}