Examine source code of Galactix-01

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#333333",
      "tab_background_text": "#e0e0e0"
    }
  },
  "version": "2.0",
  "name": "Galactix-01",
  "manifest_version": 2,
  "description": "A simple spaceship hull paneling theme."
}