*{
	box-sizing：border-box；
}

html,body{
	overflow-x:hidden;
	height:100%;
	}

body{
	font-family:Arial,sans-serif:
	background:#fff;
	padding:0;
	margin:0;
}

.header{
	background:#5599FF;
	width:100%;
	height:60px;
	position:fixed;
	z-index:10;
	text-align:center;
	color:white;
	font-size:20px;
}

.main{
	width:80%;
	height:100%;
	margin-top:60px;
	margin-left:50px;
	margin-right:100px; 
	padding:10px 50px;
	
	
}
#sidebarMenu{
	height:100%;
	position:fixed;
	left:0;
	top:0;
	width:250px;
	margin-top:60px;
	background:#2e86de;
	transform:translateX(-250px);
	transition:transform 250ms ease-in-out
	
}

#openSidebarMenu:checked ~ #sidebarMenu{
	transform:translateX(0px);
}

.menu{
	list-style:none;
	padding:0;
	margin:0;
}
.menu li{
	color:#fff;
	border-bottom:1px solid rgba(255,255,255,0.10);
	
}
.menu li a{
	color:#fff;
	display:block;
	text-decoration:none;
	text-transform:uppercase;
	padding:20px;
}
.sidebarIconToggle{     /*显示关闭打开按钮*/
	
	width:22px;
	height:22px;
	position:absolute;
	z-index:20;
	top:22px;
	left:15px;
	cursor:pointer;
	
}
.spinner{
	height:3px;
	background:#fff;
	transition:all 0.3s;
}
.spinner.middle,
.spinner.bottom{
	margin-top:3px;
}
#openSidebarMenu:checked ~ .sidebarIconToggle > .spinner.middle{
	opacity:0;
}
#openSidebarMenu:checked ~ .sidebarIconToggle > .spinner.top{
	transform:rotate(135deg);
	margin-top:8px;
}
#openSidebarMenu:checked ~ .sidebarIconToggle > .spinner.bottom{
	transform:rotate(-135deg);
	margin-top:-9px;
}
.menu li a:hover{
	background-color:green;
}