blockquote {
  color: #463203;
}

.caption {
  font-size: smaller;
  text-align: center;
}

.tip {
  border-top: 1px solid black;
  padding-top: 0.5em;
  margin-left: 4em;
  margin-right: 4em;
  border-bottom: 1px solid black;
  padding-bottom: 0.5em;
}