.controls{flex-direction:column;align-items:stretch;gap:.5rem;width:100%;max-width:640px}.row{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.row button{color:#fff;cursor:pointer;background:#1d4ed8;border:1px solid #2563eb;border-radius:4px;padding:6px 12px;font-size:.85rem}.row button:hover{background:#2563eb}.explain{color:#999;text-align:center;max-width:640px;font-size:.85rem;line-height:1.5}code{background:#222;border-radius:3px;padding:2px 6px}