body {
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
}
.container {
	width: 650px;
	height: 650px;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}
.container .box {
	position: relative;
	width: 300px;
	height: 300px;
	background: #fff;
	transition: 0.5s;
	overflow: hidden;
}
.container .box img {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	/*object-fit: cover;*/
}
.container .box:before {
	content: '';
	position: absolute;
	top: -100%;
	left: 0;
	width: 50%;
	height: 100%;
	background: #fff;
	z-index: 1;
	transition: 0.5s;
}
.container .box:after {
	content: '';
	position: absolute;
	bottom: -100%;
	right: 0;
	width: 50%;
	height: 100%;
	background: #fff;
	z-index: 1;
	transition: 0.5s;
}
.container:hover .box:before {
	top: 0;
}
.container:hover .box:after {
	bottom: 0;
	transition-delay: 0.5s;
}
.container .box:hover:before {
	top: -100%;
}
.container .box:hover:after {
	bottom: -100%;
}