.teacher-block .read-more{
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, .55);
	padding-top: 75px;
	color: white;
	text-align: center;
	position: absolute;
	top: 0;
	left: 0;
}
.teacher-block .read-more span{
	background: black;
	padding: 5px 10px;
}