older editor by rojacks

/* ==UserStyle==
@name         Roblox Avatar Editor Changing Room Background
@namespace    USO Archive
@version      20200726.05.25
@description  A custom background for your avatar editor.
@author       me
@license      arr==/UserStyle== */
@-moz-document domain("roblox.com")
{
  .avatar-back
  {
    background-image: url(https://www.peakpx.com/en/hd-wallpaper-desktop-vsedk);
  }
}