userChrome.css

/*///////////////////////////////////////////////////////////////////////////////////////\

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┣ ┣   ┃┃┃  ┃ ┃┃┃┃┣┫
┻ ┻   ┗┛┗┛ ┻ ┻┛ ┗┛┗

FF Ultima:         https://github.com/soulhotel/FF-ULTIMA
Wiki:              https://github.com/soulhotel/FF-ULTIMA/wiki
Latest Version:    https://github.com/soulhotel/FF-ULTIMA/releases/latest
License:           MPL 2.0 https://github.com/soulhotel/FF-ULTIMA/blob/main/LICENSE

\////////////////////////////////////////////////////////////////////////////////////////*/

@import url(theme/all-global-positioning.css);
@import url(theme/all-color-schemes.css);

@import url(theme/function-sidebar-autohide.css);
@import url(theme/function-sidebery-autohide.css);
@import url(theme/function-privatemode.css); /* sourced from MOG */
@import url(theme/function-urlbar.css);
@import url(theme/function-extensions-menu.css);
/*@import url(theme/function-safeguard.css);*/

@import url(theme/theme-xstyle.css);
/*@import url(theme/theme-context-menu.css);*/
@import url(theme/theme-statuspanel.css);
@import url(theme/theme-findbar.css);
@import url(theme/theme-PIP.css);
@import url(theme/theme-tab-audio-indicator.css);

@import url(theme/all-global-configurations.css);


/**
 * Dynamic Horizontal Tabs Toolbar (with animations)
 * sidebar.verticalTabs: false (with native horizontal tabs)
 */
#main-window #TabsToolbar > .toolbar-items {
  overflow: hidden;
  transition: height 0.3s 0.3s !important;
}
.tab-background,
#urlbar-background,
#searchbar,
menupopup,
.menupopup-arrowscrollbox{ border-radius: 0 !important; }
:root{--arrowpanel-border-radius:0px !important;}

#TabsToolbar
{
    visibility: collapse;
}

#TabsToolbar::after {
    border-bottom: 0px !important;
}

#navigator-toolbox::after {
      border-bottom: 0px !important;
  }
  #nav-bar {
    box-shadow: none !important;
    border-top: none !important;
  }