img {
  display: block;
  max-width: 100%;
}

.preview {
  overflow: hidden;
  width: 250px;
  height: 250px;
  margin: 0px;
  margin-left: 30px;
  border: 1px solid #0d6efd;
}

.modal-lg {
  max-width: 1000px !important;
}