body {
		margin: 0;
		padding: 0;
		font-family: Verdana, Arial, sans-serif;
		font-size: small;
                background-color: #FFFFEF; 
		}
	
	#header {
                top:0;
                left:0;
		padding: 20px;
		background:  #500000;
		border-bottom: 1px solid #fff;
                width: 100%;
		}
      
	#header h1 {
		padding: 0;
		margin: 0;
		color: #ccc;
		font-family: Georgia, serif;
		font-weight: normal;
		font-size: 200%;
		}

	#header h2 {
		padding: 0;
		margin: 0;
		color: #ccc;
		font-family: Arial; 
		font-weight: normal;
		font-size: 100%;
		}
	
	/* navigation */

	#nav {
                bottom:0;
		float: left;
		width: 100%;
		margin: 0;
		padding: 0;
		list-style: none;
		background: #ccc;
		border-bottom: 1px solid #999;
		}

	
	#nav li { 
		float: left;
		margin: 0;
		padding: 0;
		}
	
	#nav a {
		float: left;
		display: block;
		padding: 6px 30px 6px 5px;
		text-decoration: none;
		font-weight: bold;
		font-size: 90%;
		color: #666;
		background: #ccc url(./img/nav_slant.gif) no-repeat top right;
		}
	
	#nav #nav-1 a {
		padding-left: 20px;
		}
	
	#nav a:hover {
		color: #000;
		}
	
	/* more */
	
	ul#more {
		clear: left;
		margin-top: 60px;
		}

        #copyright      {
                color: #500000;
                font-style:italic;
                font-size:smaller
        }
      
        #mainbody {
               background-color: #FFFFEF; 
               margin: 2% 4% 2% 4%;          
        }

        #lecslides ul  {
               list-style-image: url(http://ict.cas.psu.edu/resources/Web/Bullets/Arrow/Right/LBrownArrow.gif)
        }