body {
	display:flex;
	justify-content:center;
	position:relative;
}
.box {
	width:360px;
	height:320px;
	overflow:hidden;
	position:relative;
}
.main img {
	width:100%;
}
.close {
	width:12px;
	height:12px;
	position:absolute;
	top:10px;
	right:20px;
	cursor:pointer;
	transition:all .8s;
	display:flex;
	justify-content:center;
	align-items:center;
	z-index:10;
}
.close:hover {
	transform:rotateZ(180deg);
}
.close:hover > span {
	background-color:#049EF4;
	transition:all .8s;
}
.close > span {
	display:none;
	padding:1px;
	border-radius:4px;
	height:12px;
	background-color:#f5f5f5;
	position:absolute;
}
.close > span:nth-child(1) {
	transform:rotateZ(45deg);
}
.close > span:nth-child(2) {
	transform:rotateZ(-45deg);
}
.mask {
	display:none;
	background-color:rgba(0,0,0,.3);
	width:100vw;
	height:100vh;
	position:fixed;
	top:0;
	left:0;
}