Examine source code of navidad lucecitas

{
  "name": "dentro",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "dentro.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(240, 146, 96, 1)",
      "bookmark_text": "rgba(0, 106, 255, 1)",
      "toolbar_field": "rgba(235, 214, 150, 1)",
      "toolbar_field_text": "rgba(255, 9, 0, 1)",
      "tab_line": "rgba(77, 255, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{125d8e44-6c47-48ba-9bc5-fdc87626b63a}"
    }
  }
}