Firefox Quantum chrome overrides for tree tabs

userChrome.css

#TabsToolbar {
    height: 32px;
}

#TabsToolbar > .toolbar-items,
#TabsToolbar > .titlebar-spacer {
    visibility: hidden
}

#nav-bar {
    margin-top: -32px;
    padding: 0 0 0 75px !important;
}

#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
  display: none;
}

#sidebar {
  min-width: 100px !important;
}