Examine source code of miku miku

{
  "theme": {
    "images": {
      "theme_frame": "heading.png"
    },
    "colors": {
      "frame": "#7feef0",
      "tab_background_text": "#7feef0"
    }
  },
  "version": "2.0",
  "name": "miku miku",
  "manifest_version": 2,
  "description": "credit 2 original creators"
}