html,body {padding:5px 0 5px 10px;font:normal 14px Tahoma,Verdana,sans-serif;overflow:hidden}
#nav a {cursor:pointer;font-weight:bold}
#nav a:hover {text-decoration:underline}

#nav {width:20%;float:left;font-size:13px;overflow-y:auto;display:block;height:100vh;position:fixed;top:0;}
#content {width:78%;float:right;text-align:left;display:block;overflow-y:auto;height:95vh}
#content h3 {margin:0 0 5px 0}