main.css

body {
  margin: 1rem;
  font-family: serif;
}

#metabar {
  position: fixed;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0.4rem 1.2rem;
  background-image: linear-gradient(#d2d2d2, #e7e7e7);
  border-bottom: #888 1px solid;
}

#metabar .title,
#metabar .author {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#metabar .title {
  margin-right: 0.8rem;
}

#content {
  max-width: 600px;
  margin: 0 auto;
}

#footer {
  position: fixed;
  padding: 0.4rem 1.2rem;
  bottom: 0;
  left: 0;
  width: 100%;
  background-image: linear-gradient(#f3f3f3, #ffffff);
  border-top: #eee 1px solid;
}

#footer p {
  margin: 0 auto;
  max-width: 600px;
  color: grey;
}

#footer a:any-link {
  color: grey;
  text-decoration: none;
}

#footer a:hover {
  text-decoration: underline;
}

.page {
  padding: 2rem 0 4rem;
}

.page:target ~ .page:last-child,
.page {
    display: none;
}

.page:last-child,
.page:target {
    display: block;
}

p.heading {
  font-weight: bold;
  font-size: 1.4rem;
  text-align: center;
}

p.subheading {
  font-weight: bold;
  font-size: 1rem;
  text-align: center;
}

p.bold {
  font-weight: bold;
}

ul.choices {
  list-style: square;
}

ul.choices li {
  margin-bottom: 0.4rem;
}

ul.choices li a:any-link,
ul.choices li a:visited {
  text-decoration: none;
  color: rgb(0, 0, 238);
}

ul.choices li a:hover {
  text-decoration: underline;
}