Examine source code of Mira Ultraviolet

{
  "theme": {
    "images": {
      "theme_frame": "mira-uv-header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Mira Ultraviolet",
  "manifest_version": 2,
  "description": "The star Mira has a 13 light-year long tail, visible in ultraviolet light.  Picture from NASA's Galaxy Evolution Explorer, more information at <a href=\"https://outgoing.prod.mozaws.net/v1/fbfdfe1857b170feb5e3a4452d7dd31152a64ef0a8c0757d07f4498dfa86daa9/http%3A//www.nasa.gov/mission_pages/galex/20070815/a.html\" rel=\"nofollow\">http://www.nasa.gov/mission_pages/galex/20070815/a.html</a>"
}