#mappa-congresso { height:480px; max-width:100%; }
.pin { width:18px; height:18px; border-radius:50%; border:3px solid #fff; box-shadow:0 0 4px rgba(0,0,0,.5); }
.pin-sede { background:#d32f2f; } .pin-hotel { background:#1976d2; }
.pin-gratuito { background:#388e3c; } .pin-pagamento { background:#f57c00; }
.legenda { background:#fff; padding:8px 10px; line-height:1.6; font-size:13px; border-radius:6px; box-shadow:0 0 6px rgba(0,0,0,.3); }
.legenda i { display:inline-block; width:12px; height:12px; border-radius:50%; margin-right:6px; vertical-align:middle; }