body {
background-image:url(pics/bck.gif);
margin:0 auto;
}
#main_container
{
	margin:0 auto;
	width:680px;
}
#main_container .top
{
	height:150px;
	float:left;
}
#main_container .top2
{
	height:150px;
	float:left;
}
#main_container .menu
{
	float:left;
	width:680px;
	height:40px;
	color:#FFF;
	
	
}
#main_container .menu ul li
{
display:inline;
margin-right:15px;
	
}

#main_container .menu a
{
	color:#FFF;
	text-decoration:none;
	list-style:none;
	
}

#main_container .main_content
{
	float:left;
	width:680px;
}