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

			to {
				transform: rotateY(360deg);
			}


		}

		body {
			background-color: black;
		}

		#box {
			width: 250px;
			height: 250px;
			border: 2px solid white;
			position: fixed;
			left: calc(50% - 100px);
			top: calc(50% - 125px);
			transform: rotateX(10deg) rotateY(10deg);
			animation-name: box-ani;
			animation-duration: 20s;
			animation-iteration-count: infinite;
			animation-timing-function: linear;
			background-color: pink;

		}

		#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;
		}