Examine source code of silver angel

{
  "theme": {
    "images": {
      "theme_frame": "o84z2otkitrpynbb6uxeu4tl5f9kct-full2222.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#1a0f0f"
    }
  },
  "version": "2.0",
  "name": "silver angel",
  "manifest_version": 2,
  "description": "some art ive done"
}