H1, H2, H3, H4, H5, H6 {margin-bottom: 0.125em;}H1, H2 {border-bottom: 2px solid black;}H2 {border-bottom-width: 1px;}LI {font-size: 150%; padding: 0.1em;}DIV.nav {margin-bottom: 1em; border: 1px inset silver;   padding: 0; padding-left: 0.5em;   background: silver; font-family: sans-serif; font-style: italic;}DIV.nav A IMG {border: 0;}DIV.footer {margin-top: 2em; border-top: 2px groove silver;   text-align: right; font-family: sans-serif; font-size: 75%;}