th.heading {
  font-weight: bold;
   border-bottom: 1px solid #FFF !important;
}

/* Überschrift h3 wie h4 darstellen; accessibility */
/*
#midCol h3 {
  font-weight: bold !important;
  font-size: 12px !important;
  line-height: 120% !important;
  padding-bottom: 0px !important;
}*/