.visible-xs,
.visible-xs-block,
.visible-xs-inline,
.visible-xs-inline-block {
  display: none !important;
}
.hidden-xs {
  display: block;
}
@media (max-width: 767px) {
  .visible-xs { display: block !important; }
  .visible-xs-block { display: block !important; }
  .visible-xs-inline { display: inline !important; }
  .visible-xs-inline-block { display: inline-block !important; }
  .hidden-xs { display: none !important; }
}

#mb-bottom-toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: #fff;
  box-shadow: 0 -1px 6px rgba(0, 0, 0, 0.15);
}