userChrome for Firefox bottom navbar and hiding header on sidebar

userChrome.css

#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar {
  opacity: 0;
  pointer-events: none;
  margin: -26px;
}
#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
    visibility: collapse !important;
}

#sidebar-header {
  display: none;
}
/* tabs to bottom */
#navigator-toolbox, #navigator-toolbox-background {
  -moz-box-ordinal-group: 3;
}

#nav-bar {
    padding-left: 4px;
}

#browser {
    -moz-box-ordinal-group: 0;
}

body {
    flex-direction: column-reverse !important;
}

/* hide tab toolbar when fullscreen */
#nav-bar[inFullscreen],
#TabsToolbar[inFullscreen] {
	display: none;
}

#TabsToolbar {
	margin-top: -10px !important;
}

/* hide window controls, updated for Firefox 64 */
#TabsToolbar > .titlebar-buttonbox-container {
	display: none!important;
}

/* put suggestions popup on top */
#PopupAutoCompleteRichResult {
	opacity: 0.9;
	margin-top: -332px;
	margin-left: 10px;
	height: 300px;
}

#PopupAutoCompleteRichResult .autocomplete-richlistbox > scrollbox {
	overflow-y: auto !important;
}

#urlbar-container {
    -moz-box-align: unset !important;
    padding: unset !important;
}
#urlbar {
    border-radius: unset !important;
    border: unset !important;
    margin: 0 !important;
}

.toolbarbutton-1,
.toolbarbutton-1 > .toolbarbutton-icon,
.toolbarbutton-1 > .toolbarbutton-badge-stack {
  border-radius: 0 !important;
  border: 0 !important;
}

.toolbarbutton-1 > .toolbarbutton-badge-stack {
  padding: 8px !important;
}

.toolbarbutton-1 > .toolbarbutton-icon {
  height: 32px !important;
}

#back-button, .toolbarbutton-1 {
  padding: 0 !important;
  margin: 0 !important;
  height: 32px !important;
}

.dropmarker-icon {
  transform: scale(1, -1);
}

/* Expand the URL menu upwards instead */
#urlbar[breakout][breakout-extend] {
    top: unset !important;
    bottom: 0;
}