.referenzen-wrapper {
  line-height: 0;
}
.cat-wrapper li {
  padding-left: 13px;
  padding-right: 13px;
  padding-bottom: 8px;
}
.cat-wrapper li:first-of-type {
  padding-left: 0;
}
.tx-referenzen li.active {
  text-decoration: underline;
  color: #e30613;
}
.referenzen-wrapper img {
  border-color: #b3b3b3;
  margin-left: -1px;
  margin-top: -1px;
}
.referenz:hover {
  background-color: #b6b6b6;
}