div.hoverImg {
	position: relative;
}
div.hoverImg > img {
	transition: all 0.3s ease;
}
div.hoverImg > img:nth-child(1) {
	opacity: 1;
	position: absolute; 
	bottom: 0;
	left: 0;
	right: 0;
	top: 0;
} 
div.hoverImg > img:nth-child(2) {
	opacity: 0;
	position: absolute; 
	bottom: 0;
	left: 0;
	right: 0;
	top: 0;
}
div.hoverImg:hover img:nth-child(1) {
  opacity: 0;
}
div.hoverImg:hover img:nth-child(2) {
  opacity: 1;
}