.nav{
	width: 400px;
	height: 100%;
	margin: 0 auto;
	padding: 80px 0;
	
}	
#registered-content {
	display: none;
}
.border-btn{
	border-bottom: 1px solid black;
}
#login_in,
#login_on{
	float: left;
	text-align: center;
	width: 200px;
	padding: 5px 0;
	margin: 25px 0;
	color: #545454;
	font-family: "bodoni mt";
	font-size: 20px;
	olor: #545454;
}
#nav button {
	font-family: "Microsoft YaHei", "Roboto", sans-serif;
	text-transform: uppercase;
	outline: 0;
	
	width: 200px;
	border: 0;
	
	background-color: #fff;
	font-size: 14px;
	-webkit-transition: all 0.3 ease;
	transition: all 0.3 ease;
	cursor: pointer;
}
.form {
	width: 400px;
	height: auto;
	overflow: hidden;
	margin: 3% auto 0 auto;
	padding: 40px;
	box-shadow: 0 -15px 30px #0d957a;
	border-radius: 5px;
}

.form input {
	font-family: "Roboto", sans-serif;
	outline: 0;
	border: 1;
	margin: 0 0 15px;
	padding: 15px;
	box-sizing: border-box;
	font-size: 14px;
	width: 100%;
}

.form button {
	font-family: "Microsoft YaHei", "Roboto", sans-serif;
	text-transform: uppercase;
	outline: 0;
	background: #4CAF50;
	width: 100%;
	border: 0;
	padding: 15px;
	color: #FFFFFF;
	font-size: 14px;
	-webkit-transition: all 0.3 ease;
	transition: all 0.3 ease;
	cursor: pointer;
}