.hidden {
    display: none;
}

.btn-open .wp-block-button__link {
    padding: 2px 2px 0 7px;
  }

  .btn-open .wp-block-button__link svg {
    position: relative;
    top: 3px;
    left: -2px;
    fill: currentColor;
  }

  .btn-close {
    transform: translate(10px, -20px);
    padding: 0.5rem 0.7rem;
    background: #eee;
    border-radius: 50%;
  }