Examine source code of Galactic

{
  "theme": {
    "images": {
      "theme_frame": "personas2.jpg"
    },
    "colors": {
      "frame": "#bab8b8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Galactic",
  "manifest_version": 2,
  "description": "I created this design as a background for a company banner and converted it personas for personal web browser and now uploading it."
}