Examine source code of purply starry

{
  "theme": {
    "images": {
      "theme_frame": "Untitled.png"
    },
    "colors": {
      "frame": "#d62222",
      "tab_background_text": "#1812e0"
    }
  },
  "version": "2.0",
  "name": "purply starry",
  "manifest_version": 2,
  "description": "stars"
}