body {
  background-color: slateblue;
  color: white;
}

#warning {
  border: 2px dashed darkred;
  width: 500px;
  margin: 16px auto;
  padding: 8px 0;
}

h1 {
  margin: 0 auto;
  width: 600px;
  text-align: center;
}

p {
  font-size: 24px;
  text-align: center;
}

ul {
  font-size: 32px;
  padding: 0;
  margin: 16px auto 0;
  width: 600px;
  text-align: center;
}

li, a {
  display: inline-block;
}

a {
  border: 4px solid white;
  padding: 16px;
  font-weight: bold;
}