Examine source code of Beer Up

{
  "theme": {
    "images": {
      "theme_frame": "beeruphd.jpg"
    },
    "colors": {
      "frame": "#a31818",
      "tab_background_text": "#faf7f7"
    }
  },
  "version": "2.0",
  "name": "Beer Up",
  "manifest_version": 2,
  "description": "To beer lovers, from beer lover :)"
}