Examine source code of sea131

{
  "theme": {
    "images": {
      "theme_frame": "encabezado.PNG"
    },
    "colors": {
      "frame": "#11deed",
      "tab_background_text": "#272ad9"
    }
  },
  "version": "2.0",
  "name": "sea131",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/748e9301395212b2d6a3112b13764cf8fafe1f24fd6df9bd3e91ac7349fd4208/http%3A//www.seat131.es/\" rel=\"nofollow\">http://www.seat131.es/</a>"
}