/* Review and the daily challenge. One question at a time, big enough to read on a phone. */
.mx-head{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:8px}
.mx-prompt{text-align:center;margin-bottom:14px}
.mx-flag{
  display:block;width:150px;max-width:60%;margin:12px auto;
  aspect-ratio:4/3;object-fit:cover;
  border-radius:6px;border:1px solid var(--line);
}
.mx-photo{
  display:block;width:100%;max-width:400px;margin:12px auto;
  aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r);border:1px solid var(--line);background:var(--surface-2);
}
.prompt.big{font-size:44px;font-weight:500}
.choice.small{font-size:14px;line-height:1.4;text-align:left}
.mx-note{font-size:13px;color:var(--text-2);margin:0;line-height:1.5}