Examine source code of Jerry Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Jerry Theme",
  "manifest_version": 2,
  "description": "Best theme for someone who like tom and jerry film. My website about lam bang hieu alu <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/2be4503fea9fd9db3677bbe9c608eab3d128b15884f78d0a1d2568ff1867b12c/http%3A//congty3m.com/lam-bang-hieu/alu-gia-re/\">bảng hiệu alu</a> làm biển quảng cáo giá rẻ chuyên nghiệp"
}