body {
  background: #ddd; 
  color: black;
  font-family: "Trebuchet MS", Verdana, Helvetica, Arial, sans-serif;
  margin-left: 10%;
  margin-right: 10%;
  font-size: 110%;
}
h1 {
  color: #336;
  font-size: 250%;
}
h3 {
  color: #669;
  font-size: 130%;
}
dt {
  color: #333;
  font-weight: bold;
}
a {
  font-weight: bold;
  font-style: italic;
  text-decoration: none;
  color: #663;
}