@media (max-width: 768px) {
  .contact-sticky-btn {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
  }

  .contact-sticky-btn a.wp-block-button__link {
    min-width: 260px;
    text-align: center;
    white-space: nowrap;
  }

  .contact-sticky-btn.hide {
    display: none;
  }
}