iframe {
  margin: 15px auto;
  display: block;
}

div.continentList {
  display: inline-block;
  margin: 15px;
  text-align: left;
  vertical-align: top;
}

p.links {
  border-top: thin solid rgba(0, 0, 0, 0.15);
  padding-top: 10px;
}