broken-img.css

img {
  background-color: #ccc;
  background-size: 30%;
  text-align: center;
  line-height: 7;
  color: #000;
}

img:after {
  content: "";
  width: 30%;
  height: 30%;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  position: absolute;
  opacity: 0.5;
  background-image: url(../../images/img-icon.png);
  background-position: center;
  background-size: 50%;
  background-repeat: no-repeat;
}