html, body {
	margin: 0;
	padding: 0;
}

body {
	font-family: Arial, Helvetica, Verdana, Sans-serif;
	font-size: 14px;
	color: #666666;
	
}

h1 {
	margin: 0;
	padding: 0;
	font-size: 20px;
}

#page-container {
	width: 100%;
	margin: auto;	
}


#main-nav { 
	height: 50px; 
	background: none;
	padding-left:20px;
	padding-top:20px;

	width: 400px;
	margin:auto;
}

#main-nav ul {
	margin:0px;	
	padding:0px;
	list-style:none;
	
}

#main-nav ul li {
	display:inline; 
	float:left; 
	width: 100px;
}

#main-nav ul li a{ 
    font-family: Tahoma, Arial, Helvetica, Sans-serif;
	font-size: 20px;
	float:left;
	text-decoration:none;
	color: #ffffff;
	padding-right: 50px;
	cursor:pointer;
}



#header {
	background: #B8B8BF;
	height: 20px;
}

/*#sidebar-a {
	background: darkgreen;
}*/

#content {	
	padding: 20px;
}

#picture {	
width: 400px;
}


#russian_phrase {
	padding: 20px 10px 10px 20px;
	font-size: 18px;
}

#english_phrase {
	padding: 10px 10px 10px 20px;
	font-size: 18px;
}

#illustration{
	padding:20px 20px 40px 10px;
	position:relative;
	top: 3px;
	left: 3px;
}



#all_papers{
	width:600px;
	height: 500px;
	padding: 0px;
	margin:0px auto;
	/*border:1px solid red;*/
}

.vertical_center{
	margin: 200px 0px 0px 0px;
	/*border:1px solid yellow;	*/
}

.prev_next_nav{
	height: 300px;
	padding: 200px 0px 0px 0px;
	float:left;
}

.prev_next{
	font-family: Tahoma, Arial, Helvetica, Sans-serif;
	font-size: 20px;
	
	width: 30px;	
	margin: 0px;
	color: white;
	cursor:pointer;
	
	/*border:1px solid green;	*/
}


#paper {
	width:450px;
	height:500px;
	margin:0px auto;
	background-image:url('../images/Paper.png');
	background-repeat:no-repeat;
	padding:20px 20px 20px 40px;
	
	float:left;
	/*border:1px solid blue;*/
	
	
}

#footer {	
	font-family: Tahoma, Arial, Helvetica, Sans-serif;
	font-size: 10px;
	color: #ffffff;
	background:none;
	padding:20px;
	clear: both;
	
}

#footer a {
	color: #ffffff;
	text-decoration: none;
}

#footer a:hover {
	color: #666666;
	
}

#footer #altnav {
	width: 350px;
	float: right;
	text-align: right;
}

.hidden {
	display: none;
}

.thumbnail{
	width:80px;
	height:60px;
	border:solid 1px grey;	
}
.thumbnail_box{
	margin:5px;
	float:left;
}