Examine source code of steveblackonline

{
  "theme": {
    "images": {
      "theme_frame": "steve_black_persona_header.jpg"
    },
    "colors": {
      "frame": "#d6d7ce",
      "tab_background_text": "#1e1a19"
    }
  },
  "version": "2.0",
  "name": "steveblackonline",
  "manifest_version": 2,
  "description": "First, official Steve Black persona!"
}