textarea.textarea-autosize {
    height: 7rem;
    min-height: 7rem;
    resize: none;
    overflow-y:hidden;
  }
  
  textarea.textarea-autosize.form-control-lg {
    height: 8rem;
    min-height: 8rem;
  }
  
  textarea.textarea-autosize.form-control-sm {
    height: 4rem;
    min-height: 4rem;
  }