.header{
	height:2.9rem!important;
	line-height:2.9rem!important;
	display:flex;
	justify-content:center;
	align-items:center;
}
.header a{
	display:block;
	position:absolute;
	width:3rem;
	height:100%;
}
.header .return{
	left:0; 
	top:0; 
	width:3rem; 
	height:100%; 
	background:url(https://tools.m.cjcp.cn/images/white_t4.png) no-repeat center center;
	background-size:.8rem 1.1rem;
}
.header .home{
	left:3rem; 
	top:0; 
	width:3rem; 
	height:100%; 
	background:url(https://tools.m.cjcp.cn/images/white_t5.png) no-repeat left center;
	background-size:1.1rem 1.1rem;
}