Examine source code of alex21

{
  "theme": {
    "images": {
      "theme_frame": "Sinttulssso-2.jpg"
    },
    "colors": {
      "frame": "#0cab91",
      "tab_background_text": "#0db2b5"
    }
  },
  "version": "2.0",
  "name": "alex21",
  "manifest_version": 2,
  "description": "Shakira She wolf 2"
}