.difficulty-panel {
  display: grid;
  grid-template-columns: auto repeat(4, minmax(125px, 1fr));
  align-items: stretch;
  gap: 1px;
  max-width: 760px;
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--line);
}

.difficulty-panel > span {
  display: grid;
  place-items: center;
  padding: 16px 22px;
  background: #e7dfd0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.difficulty-panel button {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 20px;
  border: 0;
  background: #faf7ef;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.difficulty-panel button:hover,
.difficulty-panel button:focus-visible {
  background: var(--red);
  color: #fff;
  outline: none;
}

.difficulty-panel strong {
  font-size: 16px;
}

.difficulty-panel small {
  color: var(--muted);
}

.difficulty-panel button:hover small,
.difficulty-panel button:focus-visible small {
  color: #f4d9d2;
}

@media (max-width: 700px) {
  .difficulty-panel {
    grid-template-columns: 1fr;
  }

  .difficulty-panel > span {
    place-items: start;
  }
}