a {
  font-family: Arial, Helvetica, sans-serif;
  text-decoration: none;
}
a:visited {
  color: #999999;
}

.navi {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  text-decoration: none;
}

.navi2 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  text-decoration: none;
}