@keyframes opacity-change{
	from {opacity: 0;}
	to {opacity: 1;}
}

._opacity-change:nth-child(1) {
	animation: opacity-change  0.5s ease normal;
}

._opacity-change:nth-child(2) {
	animation-delay: 0.5s;
	animation: opacity-change  1s ease normal;
}

._opacity-change:nth-child(3) {
	animation-delay: 1s;
	animation: opacity-change  1.5s ease normal;
}