.event-calendar-buttons {
  position: relative;
  display: inline-block;
  margin: 1rem 0;
}
.event-calendar-toggle {
  cursor: pointer;
  border: 1px solid #ccc;
  background: #fff;
  padding: .65rem 1rem;
  border-radius: 4px;
  font-weight: 600;
}
.event-calendar-menu {
  display: none;
  position: absolute;
  z-index: 1000;
  min-width: 190px;
  margin-top: .25rem;
  padding: .35rem;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.event-calendar-buttons.is-open .event-calendar-menu { display: block; }
.event-calendar-menu a {
  display: block;
  padding: .55rem .7rem;
  text-decoration: none;
  white-space: nowrap;
}
.event-calendar-menu a:hover,
.event-calendar-menu a:focus { background: #f3f3f3; }