.omm-card { max-width: 720px; margin: 20px auto; padding: 18px; border-radius: 10px; box-shadow: 0 8px 20px rgba(0,0,0,0.06); background: #fff; }
#omm-app button { padding: 8px 12px; margin-right:8px; border-radius:8px; cursor:pointer; }
#omm-players li { margin-bottom:6px; }
pre#omm-state { background:#f8f8f8; padding:10px; border-radius:8px; overflow:auto; }