Examine source code of Nintendo-Banner

{
  "theme": {
    "images": {
      "theme_frame": "Nintendobannertop.png"
    },
    "colors": {
      "frame": "#c71010",
      "tab_background_text": "#1e8258"
    }
  },
  "version": "2.0",
  "name": "Nintendo-Banner",
  "manifest_version": 2,
  "description": "I love to make this banner!"
}