h3 {
  position: relative;
  padding: 1.1rem 1.5rem;
  color: #fff;
  border-radius: 10px;
  background: #e49e61;
}

h3:after {
  position: absolute;
  bottom: -9px;
  left: 1em;
  width: 0;
  height: 0;
  content: '';
  border-width: 10px 10px 0 10px;
  border-style: solid;
  border-color: #e49e61 transparent transparent transparent;
}