.form_error {
  width: 100%;
  margin-top: .25rem;
  font-size: 80%;
  color: #dc3545;
}


.datepicker-days {
  font-size: 93%;
}
.datepicker-days th.dow:first-child,
.datepicker-days td:first-child {
  color: #f00;
}
.datepicker-days th.dow:last-child,
.datepicker-days td:last-child {
  color: #00f;
}
.bootstrap-datetimepicker-widget table td.active,
.bootstrap-datetimepicker-widget table td.active:hover {
  background-color: #337ab7;
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
}
 
.bootstrap-datetimepicker-widget table td span.active,
.bootstrap-datetimepicker-widget table td i.active {
  background-color: #337ab7;
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
}
.input-group-text {
  padding: .2rem .75rem;
  font-size: .9rem;
  height: calc(1.5em + 2px + 0.5rem);
}

.no-wrap {
    display: inline-block; /* インラインブロック化 */
}