.taichi {
	width: 400px;
	height: 400px;
	position: absolute;
	left: 50%;
	top: 50%;
	-webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
	border-radius: 50%;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-align: center;
	-ms-flex-align: center;
	align-items: center;
	background: -webkit-gradient(linear, left top, left bottom, color-stop(50%, #fff), color-stop(50%, #000));
	background: linear-gradient(#fff 50%, #000 50%);
	cursor: url(../img/pointer_mouse.cur), pointer;
	/* transform-origin: 50% 0%; */
}

.taichi::before {
	content: "";
	display: block;
	width: 50%;
	height: 50%;
	border-radius: 50%;
	background: radial-gradient(#fff 25%, #000 25%);
	-webkit-transform-origin: 0% 50%;
	transform-origin: 0% 50%;
	-webkit-animation: run-scale 2s ease-in-out infinite alternate;
	animation: run-scale 2s ease-in-out infinite alternate;

}

.taichi::after {
	content: "";
	display: block;
	width: 50%;
	height: 50%;
	border-radius: 50%;
	background: radial-gradient(#000 25%, #fff 25%);
	-webkit-transform-origin: 100% 50%;
	transform-origin: 100% 50%;
	-webkit-animation: run-scale 2s ease-in-out -2s infinite alternate;
	animation: run-scale 2s ease-in-out -2s infinite alternate;
}

@-webkit-keyframes run-rotate {
	form {
		-webkit-transform: translate(-50%, -50%) rotate(0deg);
		transform: translate(-50%, -50%) rotate(0deg);
	}

	to {
		-webkit-transform: translate(-50%, -50%) rotate(360deg);
		transform: translate(-50%, -50%) rotate(360deg);
	}
}

@keyframes run-rotate {
	form {
		-webkit-transform: translate(-50%, -50%) rotate(0deg);
		transform: translate(-50%, -50%) rotate(0deg);
	}

	to {
		-webkit-transform: translate(-50%, -50%) rotate(360deg);
		transform: translate(-50%, -50%) rotate(360deg);
	}
}

.rotate {
	-webkit-animation: run-rotate 2s linear infinite;
	animation: run-rotate 2s linear infinite;
}

@-webkit-keyframes run-scale {
	from {
		-webkit-transform: scale(0.5);
		transform: scale(0.5);
	}

	to {
		-webkit-transform: scale(1.5);
		transform: scale(1.5);
	}
}

@keyframes run-scale {
	from {
		-webkit-transform: scale(0.5);
		transform: scale(0.5);
	}

	to {
		-webkit-transform: scale(1.5);
		transform: scale(1.5);
	}
}