Examine source code of lithuania symbol

{
  "theme": {
    "images": {
      "theme_frame": "THEME-haut.jpg"
    },
    "colors": {
      "frame": "#4e6cf2",
      "tab_background_text": "#ffff63"
    }
  },
  "version": "2.0",
  "name": "lithuania symbol",
  "manifest_version": 2,
  "description": "lithuania theme with some symbol of lithuania"
}