body {
  font-family: Helvetica;
  font-size: 16px;
  background-color: #ddddaa;
  line-height: 120%;
}
table {
  font-size: 16px;
  line-height: 120%;
}
a {
  text-decoration: none;
}
a:link {
  color: blue;
}
a:hover {
  background-color: silver;
}
a:visited {
  color: purple;
}