.carousel-indicators [data-mdb-target] {
  box-sizing: content-box;
  flex: 0 1 auto;
  width: 30px;
  height: 3px;
  padding: 0;
  margin-right: 3px;
  margin-left: 3px;
  text-indent: -999px;
  cursor: pointer;
  background-color: #fff;
  background-clip: padding-box;
  border: 0;
  border-top: 10px solid rgba(0,0,0,0);
  border-bottom: 10px solid rgba(0,0,0,0);
  opacity: .5;
  transition: opacity .6s ease;
}

.card-body h4 {
      font-size: 1em;
}