body {
  background-color: #000000;
  color: #ffffff;
  font-family: "Courier New", Courier, monospace;
}

/*
Looks pretty neat, right?

body::after {
  content: "";
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.5),
    purple 3px,
    transparent 4px,
    transparent 4px
  );
  z-index: -1;
}*/

div,
h1 {
  padding: 10px;
  border: 3px double white;
  margin: 0 auto;
  max-width: 750px;
}

div:not(:first-child) {
  border-top: none;
}

a {
  color: lightcoral;
}

.navigation {
  text-align: center;
}

.navigation a {
  border: 1px solid coral;
  display: inline-block;
  padding: 10px;
  width: 20%;
  text-align: center;
}

.content {
  min-height: 100px;
}