html,body {
	height:100%;
	margin:0;
	padding:0;
	
	font-family: arial, sans-serif;
	font-size: 15px;	
	background-image: url('./be/bg.jpg');
	background-repeat:repeat;	
}

#wrap{
	min-width:800px;
	height:100%;
	
}

#nav_block{
	float:left;
	height:100%;
	min-width:175px;
}


#content_block{

	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	width:76%;
	float:left;
	height:100%;
	padding-top:10px;
	padding-bottom:10px;
		
}
.main_nav{
	margin:5px;
}

.main_nav li{
	list-style-type: none;	
	padding:3px;
	margin-left:5px;
}