* {
  margin: 0;
  padding: 0;
}

body {
  padding: 3em;
  max-width: 80ex;
}

h1 {
  text-align: center;
}

#due_date {
  text-align: center;
  font-size: 80%;
  margin-bottom: 2em;
}

p {
  text-align: justify;
  margin-bottom: 1em;
}

pre, li, p {
  page-break-inside: avoid;
}

pre {
  border-left: 1ex solid gray;
  padding-left: 1ex;
}

li {
  margin-bottom: 1ex;
  margin-left: 1em;
  display: list-item;
  text-align: justify;
}

li li {
  margin-left: 1.5em;
}

ol ol {
  list-style-type: lower-alpha;
}