Examine source code of Alexandra

{
  "theme": {
    "images": {
      "theme_frame": "alexandrapersona.jpg"
    },
    "colors": {
      "frame": "#32e80e",
      "tab_background_text": "#f00c0c"
    }
  },
  "version": "2.0",
  "name": "Alexandra",
  "manifest_version": 2,
  "description": "Alexandra"
}