body{
	background: white;
}

body .mui-bar-tab {
	height: 50px;
	background: white;
	z-index: 999;
}
body .mui-bar-tab{
	height: 50px;
}
.mui-bar .mui-tab-item .mui-icon img {
	height:48px;
	padding: 1px;
}
.mui-bar .mui-tab-item .mui-icon{
	padding: 0;
	width: 50px;
	height: 50px;
	line-height: 50px;
	display: inline-block;
}
.mui-bar .mui-tab-item{
	height: 50px;
   
	box-sizing: border-box;

}
.mui-bar{
	width: 100%;
	height: 50px;
}
.mui-bar-tab{
}
.mui-bar-tab .mui-tab-item .mui-icon{
	top:1;
}
.mui-bar-tab,.mui-bar{
	box-shadow: none
}
.mui-icon{
	position: relative;
}
.nav_in{
	position: absolute;
	left: 0;
	right: 0;
	margin: 0 auto;
}


.shun{
	animation: shun 1s;
	animation-timing-function: ease-in-out;
}

.ni{
	animation: ni 1s;
	animation-timing-function:ease-in-out;
}

@keyframes shun{
	from{transform: rotate(0deg);}
	to{transform: rotate(360deg);}
}
@keyframes ni{
	from{transform: rotate(0deg);}
	to{transform: rotate(-720deg);}
}