Examine source code of Je Bou :)

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#76ff05"
    }
  },
  "version": "2.0",
  "name": "Je Bou :)",
  "manifest_version": 2,
  "description": "I am amateur who wanna bymyself learning things....So these looks like ???Sometimes i do best for ever\"themes\"...Best Regards:Timo"
}