Examine source code of Midnight Glass

{
  "theme": {
    "images": {
      "theme_frame": "midnightglass.jpg"
    },
    "colors": {
      "frame": "#031052",
      "tab_background_text": "#9ee2ff"
    }
  },
  "version": "2.0",
  "name": "Midnight Glass",
  "manifest_version": 2
}