Examine source code of El illo

{
  "name": "El illo",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "encabezadoIllov5.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 255, 89, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b6df06b-2d68-4ad3-8420-a1109b293726}"
    }
  }
}