body {
  font-family:Arial, Helvetica, sans-serif;
  font-size:12px;
}

a {
  text-decoration:none;
}

a:hover {
  text-decoration:underline;
}

h1 {
  font-size:20px;
}

h2 {
  font-size:15px;
}

h3 {
  font-size:13px
}

h1, h2, h3 {
  margin-top:20px;
  margin-bottom:8px;
}