td.highlight a {background-color : #32CD32 !important;
   background-image :none !important;
   color: #fff !important;
   font-weight:bold !important;}
.teilnehmer-g, .teilnehmer-p, #form-field-termin_von {
  background-image: url("/../wp-content/uploads/2021/11/datepicker.png");
  background-position: right 5px center;
  background-repeat: no-repeat;
}