.how-to-cite {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
}

img {
    border: 5px solid white;
    display: block;
    vertical-align: middle;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Cache control meta tag - this will be added to all pages */
head::after {
  content: '<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />';
  display: block;
}