#difficulty-detail {
  display: none;
  width: min(510px, 86vw);
  margin: -8px 0 14px;
  color: #f6ddb0;
  font-size: 10px;
  letter-spacing: .65px;
  opacity: .92;
}

body.playing #vignette {
  background:
    radial-gradient(circle at 50% 55%, transparent 50%, rgba(3, 13, 19, .2) 100%),
    linear-gradient(0deg, rgba(8, 24, 31, .15), transparent 28%);
}

@media (max-width: 800px) {
  #difficulty-detail { margin-bottom: 10px; }
}