body {
  font-family: monospace;
  background-color: black;
  color: white;
  white-space: preserve-breaks;
}

.header-image {
  width: 100%;
}

img {
  width: 100%;
  margin: auto;
  display: block;
}

main {
  width: 80%;
  margin: auto;
}

ul {
  list-style-type: none;
  margin: 0;
  margin-block: 0;
  margin-inline: 0;
  padding: 0;
  padding-inline: 0;
}

li {
  display: block;
  margin: 0;
  padding: 0;
}