.si-box {
  width: min(220px, 70vw);
  height: min(220px, 70vw);
  margin: 0.75rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e9ecef;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.si-box .glyph {
  font-size: 7rem;
  line-height: 1;
  filter: brightness(0);
  user-select: none;
}
.si-opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  max-width: 400px;
  margin: 0.75rem auto 0;
}