{ userName, ... }: {
  programs.floorp.profiles.${userName}.userChrome = ''
    #TabsToolbar { display: none !important; }
    #nav-bar { width: 100vw !important; }

    #browser { position: relative; }
    #sidebar-box[sidebarcommand*=\"tabcenter\"] #sidebar-header { display: none; }

    #sidebar-box[sidebarcommand*=\"tabcenter\"]:not([hidden]) {
      display: block;
      position: absolute;
      top: 0; bottom: 0;
      z-index: 1;
      min-width: 50px !important; max-width: 50px !important;
      border-right: none;
      transition: all 0.8s ease;
      overflow: hidden;
    }

    [sidebarcommand*=\"tabcenter\"] #sidebar,
    #sidebar-box[sidebarcommand*=\"tabcenter\"]:hover { min-width: 10vw !important; width: 30vw !important; max-width: 250px !important; }
    [sidebarcommand*=\"tabcenter\"] #sidebar { height: 100%; max-height: 100%; }
    #sidebar-box[sidebarcommand*=\"tabcenter\"]:not([hidden]) ~ #appcontent { margin-left: 50px; }
    #main-window[inFullscreen][inDOMFullscreen] #appcontent { margin-left: 0; }
    /* Removes gap between active tab highlight and edge of bar */
    #sidebar-box[sidebarcommand=\"tabcenter-reborn_ariasuni-sidebar-action\"] #sidebar-header, #sidebar-box[sidebarcommand=\"tabcenter-reborn_ariasuni-sidebar-action\"] ~ #sidebar-splitter {
        display: none;
    }
  '';
}