Examine source code of Big Meteor Shower

{
  "theme": {
    "images": {
      "theme_frame": "meteor1.jpg"
    },
    "colors": {
      "frame": "#858181",
      "tab_background_text": "#faf7f7"
    }
  },
  "version": "2.0",
  "name": "Big Meteor Shower",
  "manifest_version": 2,
  "description": "Stay out there......."
}