Examine source code of Brian Setzer Rockabilly

{
  "theme": {
    "images": {
      "theme_frame": "BrianSetzerHeader.jpg"
    },
    "colors": {
      "frame": "#eeff00",
      "tab_background_text": "#ff0303"
    }
  },
  "version": "2.0",
  "name": "Brian Setzer Rockabilly",
  "manifest_version": 2,
  "description": "Brian Setzer rockabilly persona. For Shirley."
}