body{
	width: 100%;
	height: 100%;
}
.login-box{
	width: 500px;
	min-height: 400px;
	margin: 100px auto;
}
.login-box-header-left{
	float: left;
}
.login-box-header-right{
	float: right;
}
.clear{
	clear: both;
}