textarea.textarea-autosize {
  height: 2.25rem;
  min-height: 2.25rem;
  resize: none;
  overflow-y:hidden;
}

textarea.textarea-autosize.form-control-lg {
  height: 3.75rem;
  min-height: 3.75rem;
}

textarea.textarea-autosize.form-control-sm {
  height: 2rem;
  min-height: 2rem;
}