Examine source code of solar_eclipse

{
  "theme": {
    "images": {
      "theme_frame": "solar_eclipsealto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffff33"
    }
  },
  "version": "2.0",
  "name": "solar_eclipse",
  "manifest_version": 2,
  "description": "universe,galaxy,infinity,planets,earth,sun,moon,constellations,stars,\nsystem,sky,candelora,dual screen"
}