.ave-four-block {
	text-align: center;
}
.ave-four-block-c {
	position: relative;
	margin: auto;
	overflow: hidden;
	-webkit-transform: translateZ(0);
}
.ave-four-block-i {
	position: absolute;
	z-index: 1;
	width: 71%;
	height: 71%;
	transform: rotate(45deg);
	opacity: 0;
}
.ave-four-block-i:nth-child(1) {
	top: 0;
	right: 0;
	transform-origin: 100% 0;
}
.ave-four-block-i:nth-child(2) {
	bottom: 0;
	right: 0;
	transform-origin: 100% 100%;
}
.ave-four-block-i:nth-child(3) {
	bottom: 0;
	left: 0;
	transform-origin: 0 100%;
}
.ave-four-block-i:nth-child(4) {
	top: 0;
	left: 0;
	transform-origin: 0 0;
}
.ave-four-block-i:hover {
	width: calc(100%);
	height: calc(100%);
	transform: none;
	z-index: 3;
	opacity: 1;
}
.ave-four-block-v {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	text-align: center;
	-webkit-font-smoothing: subpixel-antialiased;
}
.ave-four-block-v > div,
.ave-four-block-i > div {
	position: absolute;
	display: flex;
	justify-content: center;
	align-items: center;
	overflow: hidden;
	left: 0;
	top: 0;
	height: 100%;
	width: 100%;
	padding: 15px;
	box-sizing: border-box;
	line-height: 1;
}
.ave-four-block-i:nth-child(1):hover ~ .ave-four-block-v {
	transform: translate(0, 100%);
}
.ave-four-block-i:nth-child(2):hover ~ .ave-four-block-v {
	transform: translate(-100%, 0);
}
.ave-four-block-i:nth-child(3):hover ~ .ave-four-block-v {
	transform: translate(0, -100%);
}
.ave-four-block-i:nth-child(4):hover ~ .ave-four-block-v {
	transform: translate(100%, 0);
}