@media (max-width: 640px) {
  .fc .fc-header-toolbar {
    flex-wrap: wrap;
    padding-top: 0px !important;
  }

  /* Make title row full width */
  .fc .fc-toolbar-title {
    width: 100%;
    text-align: center;
    margin-bottom:1rem;
  }

  /* Force title chunk onto its own row */
  .fc .fc-header-toolbar .fc-toolbar-chunk:first-child {
    flex: 0 0 100%;
    order: 0;
  }

  /* Push buttons below title */
  .fc .fc-header-toolbar .fc-toolbar-chunk:not(:first-child) {
    order: 1;
    justify-content: center;
  }
}