Examine source code of Xubuntu - Mousey

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Xubuntu - Mousey",
  "manifest_version": 2,
  "description": "style crossover to xubuntu.\nlogo owned by xubuntu dot org slash resources\nmatching wallpaper at <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/13c2cbb4d168be4d99a0fdf739371d3e4fc79d486a71738f1fbb959d2376c530/https%3A//www.opendesktop.org/p/1175244/\">https://www.opendesktop.org/p/1175244/</a>"
}