#literature {
  padding: 20px;
}
#literature p {
  text-align: center;
}
#literature tr.top-row td {
  padding-top: 10px;
}

table.press_article {
  margin-bottom: 20px;
}
table td {
  width: 100%;
}
table td.pdf_image {
  width: auto;
  padding: 10px;
  vertical-align: top;
}
table td.title strong {
  font-size: larger;
}
table td.title em {
  padding-left: 1em;
  font-size: smaller;
}