.instagram {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
}
.instagram figcaption {
  left: 0;
  right: 0;
  position: absolute;
  top: 0px;
  display: flex;
  justify-content: space-between;
  padding: 15px;
  z-index: 1;
}
.instagram:after {
  content: "";
  height: 100px;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 0;
  background-image: linear-gradient(180deg, #000 0%, transparent 100%);
  opacity: 0.5;
}