.sidenav {font-size: 110%;}
.sidenav ul {margin: 0 10px 5px 20px;padding:10px;list-style:disc;}
.sidenav ul.level_1 {padding: 10px;}
.sidenav ul.level_2 {margin-left:20px;padding: 0;}
.sidenav ul.level_3 {margin-left:20px;padding: 0;}
.sidenav ul.level_4 {margin-left:20px;padding: 0;}
.sidenav ul.level_5 {margin-left:20px;padding: 0;}
.sidenav ul.level_1 li {border-bottom: 1px solid #ccc;}
.sidenav ul.level_2 li, .sidenav ul.level_3 li, .sidenav ul.level_4 li {border-bottom: none; list-style: disc;}
.sidenav ul li a {padding: 3px 0; display: block;}
.sidenav ul.level_2 li a, .sidenav ul.level_3 li a, .sidenav ul.level_4 li a {padding: 1px 0;}
.sidenav ul.level_4,.sidenav ul.level_5 {
    font-size: 100%;
}
.sidenav ul.level_3 li,.sidenav ul.level_4 li {
    font-size: 95%;
}