.backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 20;
    background-color: rgba(91, 112, 131, 0.4);
  }

  .modal {
    position: fixed;
    top: 20%;
    left: 50%;
    min-width: 25rem;
    background-color: black;
    padding: 1rem;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    z-index: 30;
    animation: onOpen .25s;
    transform: translateX(-50%);
  }

  @keyframes onOpen {
    from {
      transform: scale(0);
    }
    to {
      transform: scale(1) translateX(-50%);
    }
  }

  @media (height < 720px) {
    .modal {
      max-width: 20rem;
    }
  }