div.subtitle {
  text-align: right;
  font-style: italic;
}

p {
  text-align: justify;
} 

.section-header {
  text-align: center;
}

.float-figure {
  display: none;
}

@media (min-width:961px)  {
  /* tablet, landscape iPad, lo-res laptops ands desktops */
  /* https://stackoverflow.com/a/7354648 */
  .float-figure {
    display: inherit;
    width: max(40%, 240px);
    float: right;
    margin: 0 0 0 1em;
  }
}

footer {
  color: gray;
  text-align: right;
}

footer > hr {
  border-top-width: 2px;
  margin-bottom: 0;
}