mobile-config-firefox/chrome/Fx65_tabs_on_bottom.css

/* Modify to change window drag space width */
/*
Use Fx65_tabs_on_bottom_menubar_on_top_patch.css if you
have menubar permanently enabled and want it on top
 */

/* IMPORTANT */
/*
Get window_control_placeholder_support.css
Window controls will be all wrong without it
*/

:root{
  --uc-titlebar-padding: 0px; }
:root[sizemode="maximized"][tabsintitlebar]{ --uc-titlebar-padding: 8px }

.titlebar-buttonbox-container{
  position: fixed;
  top: var(--uc-titlebar-padding,0px);
  right:0;
  height: 40px;
}
/* Mac specific. You should set that font-smoothing pref to true if you are on any platform where window controls are on left */
@supports -moz-bool-pref("layout.css.osx-font-smoothing.enabled"){
	:root{ --uc-titlebar-padding: 0px !important }
	.titlebar-buttonbox-container{ left:0; right: unset; }
}

:root[uidensity="compact"] .titlebar-buttonbox-container{ height: 32px }

#toolbar-menubar[inactive] > .titlebar-buttonbox-container{ opacity: 0 }

#navigator-toolbox{ padding-top: var(--uc-titlebar-padding,0px) !important; }


.titlebar-buttonbox-container > .titlebar-buttonbox{ height: 100%; }

#titlebar{
 -moz-box-ordinal-group: 2;
  -moz-appearance: none !important;
}

.titlebar-placeholder,
#TabsToolbar .titlebar-spacer{ display: none; }
/* Also hide the toolbox bottom border which isn't at bottom with this setup */
#navigator-toolbox::after{ display: none !important; }