styles.css

.content {
  max-width: 766px;
  margin: auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
}

.sub {
  color: gray;
  font-size: 13px;
}