body {
	background-color: black;
}

@keyframes box-ani {
	from {
		transform: rotateX(-10deg) rotateY(0deg);
	}

	to {
		transform: rotateX(-10deg) rotateY(360deg);
	}
}

#box {
	/* 设置边框 */
	border: 0px solid white;
	height: 250px;
	width: 250px;
	/* 固定定位，以浏览器为标准进行定位 */
	position: fixed;
	left: calc(50% - 100px);
	top: calc(50% - 125px);
	transform-style: preserve-3d;
	transform: rotateX(-10deg) ;
	animation: box-ani 20s linear infinite paused;

}

#bgm {
	width: 70%;
	display: block;
	margin: auto;
}

#lrc-box {
	color: #FFFFFF;
	border: 2px solid #FFFFFF;
	width: 100%;
	position: fixed;
	bottom: 0px;
	font-size: 48px;
	/*文字居中*/
	text-align: center;
}