Examine source code of Waxmann2

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f7fd08",
      "tab_background_text": "#10241b"
    }
  },
  "version": "2.0",
  "name": "Waxmann2",
  "manifest_version": 2,
  "description": "High contrast background color to highlite the current tab."
}