H1 {text-align: center;}
H1,H2,H3 {color:blue; background:#d0d0ff; padding:5px;}
H1,H2,H3,H4,H5,H6 { font-family: 'New Century Schoolbook', 'Century Schoolbook', Garamond, Palatino, Georgia, serif; }
PRE {background:#ffffe0}
a[href^='http://'] { background: url(icons/External.png) no-repeat center right; padding-right: 15px; }
a[href^='http://physionet'] { background: none; padding-right: 0; }
a[href^='http://www.physionet.org'] { background: none; padding-right: 0; }
a[href^='mailto:'] { background: url(icons/Email.png) no-repeat left center; padding-left: 20px; margin-left: 5px; }