<figure class="blink"><img src="https://www.ameamelog.com/wp/wp-content/uploads/2019/08/css-scale_dummy.jpg" alt=""></figure>

* {
	box-sizing: border-box;
}
body {
	min-height: 100vh;
	margin: 0;
	padding: 10px;
	display: flex;
	justify-content: center;
	align-items: center;
}


.blink {
	-webkit-animation: blink 1s ease infinite;
	animation: blink 1s ease infinite;
}
@-webkit-keyframes blink {
	0% {opacity: 0;}
	100% {opacity: 1;}
}
@keyframes blink {
	0% {opacity: 0;}
	100% {opacity: 1;}
}