Examine source code of Drop Dead_Simple

{
  "theme": {
    "images": {
      "theme_frame": "DropDead_Persona.jpg"
    },
    "colors": {
      "frame": "#1eeb7e",
      "tab_background_text": "#1eeb7e"
    }
  },
  "version": "2.0",
  "name": "Drop Dead_Simple",
  "manifest_version": 2,
  "description": "First One."
}