Examine source code of Tibia Flash Background

{
  "theme": {
    "images": {
      "theme_frame": "CBTibiaFlashcopy.jpg"
    },
    "colors": {
      "frame": "#f2eded",
      "tab_background_text": "#f7a80a"
    }
  },
  "version": "2.0",
  "name": "Tibia Flash Background",
  "manifest_version": 2,
  "description": "Tibia Flash Background, Update."
}