.calendar {
  flex: 1;
  background-color: ivory;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.vc-date__btn.highlighted {
  border-top: 2px solid red;
  border-bottom: 2px solid red;
  border-top-left-radius: unset;
  border-bottom-left-radius: unset;
  border-top-right-radius: unset;
  border-bottom-right-radius: unset;
}

.vc-date__btn.highlighted.from {
  border-left: 2px solid red;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

.vc-date__btn.highlighted.to {
  border-right: 2px solid red;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}


.vanilla-calendar__popup {
  background-color: #333;
  color: #fff;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  max-width: 200px;
  z-index: 999;
  transition: opacity 0.2s ease-in-out;
  border: 2px solid #007bff;
}

/* Style popup style="left: 0px; top: 34px;"*/
.vc-date__popup {
  top: -1.5em !important;
  background: red !important;
  border: 1px solid #ccc;
  padding: 8px;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  font-size: 14px;
  max-width: 220px;
}