Examine source code of All Brushed Up

{
  "theme": {
    "images": {
      "theme_frame": "brushuptop.jpg"
    },
    "colors": {
      "frame": "#1f1f1f",
      "tab_background_text": "#e0e37f"
    }
  },
  "version": "2.0",
  "name": "All Brushed Up",
  "manifest_version": 2,
  "description": "An overall dark persona with a brushed texture for the appreciator of fine arts."
}