.section {
  padding-top: 0.5lh;
}

header, footer {
  text-align: center;
}

ul {
  list-style-type: '- ';
  padding-left: 3ch;
  margin-top: 0.5lh;
  margin-bottom: 0.5lh;
}

.copyleft {
  font: sans-serif;
  display: inline-block;
  transform: rotateY(180deg);
}