box-shadow on img in CSS

.image_carousel img {
  margin-right: 14px;
  display: block;
  float: left;
  box-shadow: 3px 3px 1px #ccc;
  -webkit-box-shadow: 3px 3px 1px #ccc;
  -moz-box-shadow: 3px 3px 1px #ccc;
}

<div class="image_carousel"><img src="//placehold.it/300/f80/fff" alt=""/></div>