Examine source code of App Tech Site Minecraft

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#53ff00",
      "tab_background_text": "#004080"
    }
  },
  "version": "2.0",
  "name": "App Tech Site Minecraft",
  "manifest_version": 2,
  "description": "This is a theme from App Tech Site about Minecraft for those minecraft lovers and fans!!"
}