* {
	margin: 0;
	padding: 0;
}
body, html
{
}
#box_container
{
	text-align: left;
	margin: 40px auto 0px auto;
	width: 525px;
}
#header
{
	height: 45px;
}
#footer
{
	height: 25px;
}
#app_container
{
	text-align: left;
}
#app_content
{
	_height: 500px;
	min-height: 500px;
}