Examine source code of Transformers Generation 2

{
  "theme": {
    "images": {
      "theme_frame": "G2_ff_theme_header.png"
    },
    "colors": {
      "frame": "#2b2b2b",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Transformers Generation 2",
  "manifest_version": 2,
  "description": "Here's a header theme based on the 90's Transformers Generation 2 brand. Decorated with the always awesome Dreadwing."
}