Examine source code of Adorable_Maltese

{
  "theme": {
    "images": {
      "theme_frame": "Adorable_Maltese.jpg"
    },
    "colors": {
      "frame": "#262626",
      "tab_background_text": "#4f0707"
    }
  },
  "version": "2.0",
  "name": "Adorable_Maltese",
  "manifest_version": 2,
  "description": "Sweet Maltese...This clipart was located on a free clipart site, and I thought it was adorable!  I also have a little Maltese, so I'm a bit biased in their favor."
}