Examine source code of Nothingface - Violence

{
  "theme": {
    "images": {
      "theme_frame": "Nothingface-Violence.jpeg"
    },
    "colors": {
      "frame": "#d9ff00",
      "tab_background_text": "#e0951d"
    }
  },
  "version": "2.0",
  "name": "Nothingface - Violence",
  "manifest_version": 2
}