.bootstrap-datetimepicker-widget .btn {
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.42857143;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
}

.bootstrap-datetimepicker-widget.dropdown-menu {
  position: absolute;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 160px;
  padding: 5px 0;
  margin: 2px 0 0;
  font-size: 14px;
  text-align: left;
  list-style: none;
  background-color: #fff;
  -webkit-background-clip: padding-box;
  background-clip: padding-box;
  border: 1px solid rgb(240, 240, 240);
  border: 1px solid rgba(0, 0, 0, .15);
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, .175);
  box-shadow: 0 6px 12px rgba(0, 0, 0, .175);
}

.bootstrap-datetimepicker-widget .list-unstyled {
  padding-left: 0;
  list-style: none;
}

.bootstrap-datetimepicker-widget .collapse {
  display: none;
}

.bootstrap-datetimepicker-widget .collapse.in {
  display: block;
}

/* fix for bootstrap4 */
.bootstrap-datetimepicker-widget .table-condensed > thead > tr > th,
.bootstrap-datetimepicker-widget .table-condensed > tbody > tr > td,
.bootstrap-datetimepicker-widget .table-condensed > tfoot > tr > td {
  padding: 5px;
}
.input-group.dbdp~.valid-feedback,
.input-group.dbdp~.invalid-feedback {
  display: block;
}
.input-group.dbdp>.input-group-addon {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}