Examine source code of Star and Sphere

{
  "theme": {
    "images": {
      "theme_frame": "star-and-sphere-header.jpg"
    },
    "colors": {
      "frame": "#c2b4b4",
      "tab_background_text": "#fff7f7"
    }
  },
  "version": "2.0",
  "name": "Star and Sphere",
  "manifest_version": 2,
  "description": "Made with Illustrator using symbols and brushstrokes"
}