Examine source code of Dust 514 plain

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#333333",
      "tab_background_text": "#fffafa"
    }
  },
  "version": "2.0",
  "name": "Dust 514 plain",
  "manifest_version": 2,
  "description": "simple black background, dust 514 logo"
}