dark-scrollbar.as.css

scrollbar, scrollbar *, scrollcorner {
	-moz-appearance: none !important;
	--scrollbar-width: 10px;
    --scrollbar-height: var(--scrollbar-width);
}

scrollbar, scrollcorner  {
    background: #282828 !important;
}
scrollbar[orient="vertical"] {
    width: var(--scrollbar-width) !important;
    min-width: var(--scrollbar-width) !important;
}
scrollbar[orient="horizontal"] {
    height: var(--scrollbar-height) !important;
    min-height: var(--scrollbar-height) !important;
}

scrollbar thumb {
	background: #646464 !important;
}
scrollbar thumb:hover,
scrollbar thumb:active {
	background: #00ACED !important;
}

scrollbar:hover scrollbarbutton {
    background-color: #444444 !important;
}
scrollbar scrollbarbutton:hover {
    background: #646464 !important;
}
scrollbar scrollbarbutton:active {
    background: #00ACED !important;
}

/* Increase width of VERTICAL SCROLLBAR */
scrollbar[orient="vertical"], scrollbar[orient="vertical"] thumb, scrollbar[orient="vertical"] scrollbarbutton { min-width: 12px !important; -moz-appearance: none !important; }

/* Increase width of HORIZONTAL SCROLLBAR */
scrollbar[orient="horizontal"], scrollbar[orient="horizontal"] thumb, scrollbar[orient="horizontal"] scrollbarbutton { min-height: 12px !important; -moz-appearance: none !important; }

userChrome.css

@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

/* Remove page actions from url bar, three dots*/
image.urlbar-page-action {display:none !important;}


/* TAB CLOSE BUTTON */
.tabbrowser-tab .tab-close-button { display:none !important; }


/* SHOW CUSTOM ICON BOOKMARK - STAR*/
#pageAction-urlbar-default-bookmark-folder_gustiaux_com {
	display: block !important
}


/* RELOAD BUTTON */
#page-action-buttons
{
  margin-right: 26px !important;
}

#stop-reload-button .toolbarbutton-icon, #stop-button .toolbarbutton-icon, #reload-button .toolbarbutton-icon
{
  fill: rgb(102,102,102);
  height: 24px !important;
  width: 28px !important;
  padding: 4px !important;
  position: absolute !important;
}

#stop-reload-button
{
  transform: translateX(-36px);
  border-radius: 0px !important;
  z-index: 10 !important;
  margin-right: -32px;
}

#wrapper-stop-reload-button .chromeclass-toolbar-additional
{
  margin-right: 0px !important;
  transform: translateX(0px);
}

#stop-reload-button[animate="true"]
{
  transform: translateX(-36px);
  opacity: 0.8;
}

/* Dark scrollbar */
hbox#fullscr-toggler {
    -moz-binding: url(data:text/plain;charset=utf-8;base64,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);
}

/* Remove shit from context menu */
#context-navigation, #context-sep-navigation, #context-openlinkinusercontext-menu, #context-bookmarklink, #context-sep-sendlinktodevice, #context-sendlinktodevice,
#context_pinTab, #context_unpinTab, #context_sendTabToDevice_separator, #context_sendTabToDevice, #context_bookmarkAllTabs, #context_closeTabsToTheEnd, #context_closeOtherTabs,
#context-sep-sendpagetodevice, #context-sendpagetodevice { 
    display: none !important 
}

/* Disable saved to library (bookmarks) animation */
#confirmation-hint {
    display: none !important
}

/* other bookmarks */
#BMB_unsortedBookmarks,
#BMB_unsortedBookmarks + #BMB_mobileBookmarks,
#BMB_unsortedBookmarks + #BMB_mobileBookmarks + menuseparator{
	display: none !important;
}

/* show all bookmarks, show bookmarks */
#BMB_bookmarksShowAll,
#BMB_viewBookmarksSidebar {
	display: none !important;
}

/* TreeStyle Tab 

:root {
  --sidebar-hover-width: 8px;
  --sidebar-visible-width: 200px;
}



#sidebar-box {
  position: relative !important;
  overflow-x: hidden !important;
  margin-right: calc(var(--sidebar-hover-width) * -1) !important;
  left: var(--sidebar-hover-width) !important;
  min-width: var(--sidebar-hover-width) !important;
  max-width: var(--sidebar-hover-width) !important;
  opacity: 0 !important;
}

#sidebar-box:hover {
  margin-right: calc(var(--sidebar-visible-width) * -1) !important;
  left: var(--sidebar-visible-width) !important;
  min-width: var(--sidebar-visible-width) !important;
  max-width: var(--sidebar-visible-width) !important;
  opacity: 1 !important;
}

#sidebar {
  opacity: 0 !important;
}

#sidebar:hover {
  opacity: 1 !important;
}



#sidebar-header {
  display: none !important;
}

#sidebar-splitter {
}

#main-window[sizemode="maximized"] #nav-bar {
    margin-right: 138px;
}

#TabsToolbar > .toolbar-items,
#TabsToolbar > .titlebar-spacer{ visibility: hidden }
#nav-bar{ margin-top: -32px; padding: 0px 0px 0px 0px !important; }

**/