.wp-block-post-terms a[href*="/tag/pdf/"] {
  background: #0f3a5c;
  color: #fff;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 11px;
  text-decoration: none;
}

.wp-block-post-terms a[href*="/tag/video/"] {
  background: #b8965a;
  color: #fff;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 11px;
  text-decoration: none;
}