body{
	background: url(./Pic/beijing1.png);
	background-repeat: no-repeat;
	background-size:cover;
	background-attachment: fixed
}
.yonghumima{
	margin:50px auto 10px;
	height: 48px;
	width: 212px;
	display: flex;
}
.two{
	font-size: 40px;
}
.three{
	font-size: 10px;
}
.four{
	display: flex;
	color: #a4a4a4;
	justify-content: center;
}
.four1:link,.four1:visited,.four1:active{
	color: #a4a4a4;
	text-decoration:none;
}
.four1:hover{
	color: #101010;
}
.five{
	margin-top: 10px;
	color: #a4a4a4;
	display: flex;
	justify-content: center;
}
@keyframes shanganniu{
	from{color: #000000;}
	to{color: #cdcdcd;}
}
.six{
	animation-name: shanganniu;
	animation-duration: 2s;
	animation-iteration-count: infinite;
	animation-direction:alternate;
}