.wrapper {
}

.center-div {
position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.thumbnail {
	width: 120px;
	height: auto;
	max-width: 60%;
	display: block;
	margin: 0 auto 30px;

}