Examine source code of france_zidane

{
  "theme": {
    "images": {
      "theme_frame": "zizouunbenannt.png"
    },
    "colors": {
      "frame": "#de1010",
      "tab_background_text": "#070ad4"
    }
  },
  "version": "2.0",
  "name": "france_zidane",
  "manifest_version": 2,
  "description": "Zinedine Yazid Zidane"
}