Examine source code of STS-131 - Small

{
  "theme": {
    "images": {
      "theme_frame": "Firefox_131_top_jpeg_3.jpg"
    },
    "colors": {
      "frame": "#a0afbf",
      "tab_background_text": "#bdcbff"
    }
  },
  "version": "2.0",
  "name": "STS-131 - Small",
  "manifest_version": 2,
  "description": "A smaller version of the STS-131 persona, for those without a metric ton of stuff on their browser window.  Dig it.  \n\nSUPPORT YOUR LOCAL SPACE PROGRAM!"
}