<div class="form-check form-check-online">
    <input class="custom-checkbox"type="checkbox" id="PUT">
    <label for="PUT" class="mb-0 d-flex align-self-baseline">PUT</label>
  </div>

<div class="form-check form-check-online">
    <input class="custom-checkbox"type="checkbox" id="POST">
    <label for="POST" class="mb-0 d-flex align-self-baseline">
      <span class="checkbox-circle"></span>
      POST</label>
  </div>