body {
  background-color: #ffffff
}
h1 {
  text-align: center
}
.title {
  color: #0000aa
}
.subtitle {
  color: #00aa00
}
.center {
  text-align: center
}
.head {
  text-align: center;
  color: #aa4400
}
.box {
  border: thin solid #00aaaa;
  margin: 12px 12px 12px 12px;
  padding: 12px 12px 12px 12px;
  text-align: left
}