#ui-datepicker-div.ui-widget-content
  .ui-datepicker-unselectable.summer-weekend-disabled {
  opacity: 0.5 !important;
  background-color: #f5f5f5 !important;
  cursor: not-allowed !important;
  text-decoration: none;
  text-decoration-color: transparent;
}

#ui-datepicker-div.yith-wcbk-datepicker.ui-widget-content
  .ui-datepicker-unselectable.summer-weekend-disabled
  span {
  text-decoration: none !important;
  color: #999 !important;
}

#ui-datepicker-div.ui-widget-content .summer-saturday-forbidden {
  opacity: 1 !important;
  cursor: not-allowed !important;
  text-decoration: none;
  text-decoration-color: transparent;
}
#ui-datepicker-div.yith-wcbk-datepicker.ui-widget-content
  .summer-saturday-forbidden
  span {
  opacity: 1 !important;
  cursor: not-allowed !important;
  text-decoration: none !important;
  color: #555 !important;
  font-weight: 600 !important;
}

.summer-weekend-notice {
  font-weight: 600;
  font-size: 16px;
  color: #856404;
  background-color: #fff3cd80;
  padding: 8px;
  margin-top: 8px;
  border-radius: 4px;
}
@media only screen and (max-width: 600px) {
  .summer-weekend-notice {
    font-size: 14px;
  }
}