.knowledge-home span.product-img{
	display:block;
	width:100%;
	height:150px;
	margin:0 auto;
	background-color:#FFFFFF;
	background-position:center;
	background-repeat:no-repeat;
	background-size:cover;
}
.knowledge-home p.product-desc{
	padding:10px 0;
	height:45px;
	overflow:hidden;
}

@media screen and (max-width: 1200px) {

}

@media screen and (max-width: 992px) {

}

@media screen and (max-width: 767px) {

}

@media screen and (max-width: 480px) {
.knowledge-home span.product-img{
	display:block;
	width:100%;
	height:100px;
}
.knowledge-home p.product-desc{
	padding:10px 0;
	height:85px;
	overflow:hidden;
}
}