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

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

			body {
				background-color: black;
			}

			#box {
				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% - 125px);
				top: calc(50% - 125px);
				transform: rotateX(10deg) rotateY(10deg);
				/*调用动画*/
				animation-name: box-ani;
				animation-timing-function: linear;
				animation-duration: 10s;
				animation-iteration-count: infinite;
				animation-play-state: paused;

			}

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

			#lrc-box {
				color: white;
				border: 2px solid white;
				position: fixed;
				bottom: 0px;
				width: 100%;
				font-size: 48px;
				text-align: center;
			}