main, body, html {
  height: 100%;
  margin: auto;
  max-width: 60em;
  padding-left: 2em;
  padding-right: 2em;
  font-family: Georgia, "Times New Roman", serif;
  color: #484848;
  background-color: #e8e8e8;
}

audio {
  display: block;
}

button {
  font-size: 30px;
}