.taiji {
	animation:que 4s linear infinite;
	width:300px;
	height:300px;
	border:1px solid #ccc;
	position:relative;
	margin:0 auto;
	border-radius:150px;
	overflow:hidden;
}
.hei {
	width:300px;
	height:150px;
	background-color:#000;
	position:absolute;
	top:0;
	left:0;
}
.yin1 {
	background-color:#fff;
	height:150px;
	width:150px;
	position:absolute;
	top:75px;
	left:0;
	border-radius:75px;
}
.yang1 {
	background-color:#000;
	height:150px;
	width:150px;
	position:absolute;
	top:75px;
	right:0;
	border-radius:75px;
}
.yin2 {
	background-color:#000;
	width:20px;
	height:20px;
	position:absolute;
	top:140px;
	left:65px;
	border-radius:10px;
}
.yang2 {
	background-color:#fff;
	width:20px;
	height:20px;
	position:absolute;
	top:140px;
	right:65px;
	border-radius:10px;
}
@keyframes que {
	from {
	transform:rotate(0deg);
}
to {
	transform:rotate(360deg);
}
}