h1 {
  text-align: center;
}

html {
  padding: 0.5em;
}

.back {
  font-size: 1.5em;
  font-weight: bold;
  /* border: solid black 1px; */
  /* border-radius: 0.5em; */
  text-decoration: none;
  color: inherit;
}

.content {
  max-width: 50em;
  margin: auto;
}

.preview {
  text-decoration: none;
  color: inherit;
  display: block;
  border: solid black 1px;
  padding: 0.5em;
  border-radius: 0.5em;
}

.preview h1 {
  font-size: 1.3em;
}