.carousel-item {
	height: 100vh;
	min-height: 300px;
	background: no-repeat center center scroll;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

.carousel-inner img {
	-webkit-filter: grayscale(50%);
	filter: grayscale(50%); /* make all photos black and white */ 
	width: 100%; /* Set width to 100% */
	margin: auto;
}