.mySlides {
	display:none;
	z-index: -1;
}

.w3-card15 {
	box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);
}

.w3-card15:hover {
	-ms-transform: scale(1.5); /* IE 9 */
	-webkit-transform: scale(1.5); /* Safari 3-8 */
	transform: scale(1.5);
}

.w3-card20 {
	box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);
}

.w3-card20:hover {
	-ms-transform: scale(1.7); /* IE 9 */
	-webkit-transform: scale(1.7); /* Safari 3-8 */
	transform: scale(1.7);
}