Examine source code of Charred Wood

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ff3e17"
    }
  },
  "version": "2.0",
  "name": "Charred Wood",
  "manifest_version": 2,
  "description": "Charred Wood"
}