body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  padding: 0;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed;

  font-family: "Consolas", monospace;
  font-size: 18px;

  background-image: url("../img/background.jpg");
}

a:link, a:visited {
  text-decoration: none;
  color: #191dff
}

a:hover { 
  text-decoration: underline;
}
.main {
  display: flex;
  justify-content: center;
  height: 100vh;
}

.column {
  width: 970px;
}

h1, h2, li, p {
  margin-left: 20px;
  margin-right: 20px;
  margin-bottom: 0.25em;
  line-height: 1.8; 
}