body {background-color:#CCFFFF; font-family:Verdana, Arial, Helvetica; font-size:14px; margin-left:10%; margin-right:15%; margin-top:3%}
h1 {font-size:25px; text-decoration:underline }
h2 {font-size:18px}
a {text-decoration:none; color:brown}
a.dec {text-decoration:underline; color:blue}
a:hover {text-decoration:underline; color:red}
p {font-family:Verdana, Arial, Helvetica; font-size:14px}
em { color:red }
.reference { color:red; text-decoration:underline }
.concept { text-decoration:underline }