body {
  padding: 1em;
  padding-top: 0.3em;
}

#content {
  width: 50em;
}

div.block {
  margin-top: 2em;
  padding: 1em;
  border-bottom: 1px solid #b5b5b5;
  border-left: 2px solid #7a7a7a;
}

h3 {
  margin-top: 0em;
}

li {
  margin-bottom: 1ex;
}