* {
	margin: 0;
	padding: 0;
}
html,body{
    height: 100%;
}
.app{
	width: 100%;
	height: 100%;
	display: flex;
    flex-direction: column;
    align-items: stretch;
}
.topbar{
	display: flex;

}
.logo{
	width: 120px;
	height: 40px;
	margin: 10px 30px;
}
.main{
	flex-grow: 1;
	border: 0;
	display: none;
}
h1 {
	text-align: center;
	font-size: 16px;
	margin-top: 10px;
}
.box {
	background-color: #f7f7f7fa;
	flex-grow: 1;
}
.f-nav {
	height: 60px;
	overflow: hidden;
	transition: all 1s;
	display: block;
	position: relative;
	padding: 0;
	/* box-shadow: 0 10px 35px rgba(0, 0, 0, 0.2); */
    background-color: #f7f7f7fa;
    color: #666;
}
.f-nav li {
	padding: 0;
	margin: 0;
	float: left;
	height: 60px;
	line-height: 60px;
	position: relative;
	z-index: 100;
	display: inline-block;
	list-style-type: none;
	width: 100px;
	/* color: #fff; */
	text-align: center;
	cursor: pointer;
}
.sideline {
	position: absolute;
	background-color: #208ff9;
	left: 0;
	top: 0;
	color: #fff;
	min-height: 30px;
	z-index: 1;
	height: 60px;
	line-height: 60px;
	display: inline-block;
	list-style-type: none;
	width: 100px;
	color: #fff;
	text-align: center;
	cursor: pointer;
}
.f-nav li.active {
	background-color: #208ff9;
	color: #fff;
}

