#wpadminbar #wp-admin-bar-vnn_app_switcher .ab-icon:before {
  content: "\f180" !important;
  top: 3px !important;
}

@media screen and (max-width: 782px) {
  #wpadminbar #wp-admin-bar-vnn_app_switcher {
    display: block;
    position: static;
  }

  #wpadminbar #wp-admin-bar-vnn_app_switcher .ab-icon {
    display:block;
  }

  #wpadminbar #wp-admin-bar-vnn_app_switcher .ab-label,
  #wpadminbar #wp-admin-bar-customize {
    display:none !important;
  }
}