#brx-header { position: sticky; top: 0; z-index: 9999; }  .disclaimerModal { display: none !important; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 9999; } .disclaimerModal.active { display: block !important; } .modal-content { background: #fff; padding: 20px; max-width: 600px; margin: 10% auto; border-radius: 8px; position: relative; } .closeDisclaimer { position: absolute; top: 10px; right: 15px; cursor: pointer; font-size: 20px; }  .disclaimerModal .modal-content { max-height: 80vh; overflow-y: auto; } @media (max-width: 767px) { .disclaimerModal .modal-content { max-height: 85vh; margin: 5% 10px; } } body.modal-open { overflow: hidden; }