Examine source code of 3D V.2 Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "3D V.2 Theme",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/7d35f367a8f3a0e40d9e2beae3f50801fadd288f8032b12151108686104a6170/https%3A//perfect-review.com/\">perfect review</a>"
}