Examine source code of Blue button style header

{
  "theme": {
    "images": {
      "theme_frame": "button_header.00.jpg"
    },
    "colors": {
      "frame": "#405e96",
      "tab_background_text": "#c6e3f2"
    }
  },
  "version": "2.0",
  "name": "Blue button style header",
  "manifest_version": 2,
  "description": "Blue button style header"
}