<div class="container py-6 mt-3">
  <div class="row">
    <div class="col-4 mx-auto">
      <div class="form-check form-switch d-flex align-items-center ps-6">
        <input class="form-check-input" type="checkbox" id="flexSwitchCheckDefault">
        <label class="form-check-label ms-3 mb-0" for="flexSwitchCheckDefault">Remember me</label>
      </div>
    </div>
  </div>
</div>

<div class="container py-6 mt-3">
  <div class="d-flex justify-content-center align-items-center">
    <div>
      <div class="form-check form-switch mb-0">
        <input class="form-check-input" type="checkbox" id="flexSwitchCheckDefault">
      </div>
    </div>
    <div class="ms-4">
      <span class="text-dark font-weight-bold d-block text-sm">Remember me</span>
      <span class="text-xs d-block">Be sure that you will always be logged in.</span>
    </div>
  </div>
</div>