body {
  background-color: aqua;
  text-align: center;
}
a {
  font-size: 30px;
}
h1 {
  font-size: 60px;
  color: white;
  font-family: "Courier New", Courier, monospace;
  text-align: center;
  font-weight: bold;
}
p {
  text-align: center;
  font-family: "Courier New", Courier, monospace;
  font-weight: bold;
}
.impressum {
  color: green;
  font-style: italic;
}
A:hover {
  color: yellow;
  text-decoration: none;
}
A:active {
  color: yellow;
  text-decoration: wavy;
}