button in select option in bootstrap code example

Example 1: bootstrap checkbox

<div>
  <div class="row">
    <div class="form-check form-check-inline">
      <input id="checkbox2" type="checkbox">
      <label for="checkbox2">Checkbox not checked</label>
    </div>
    <div class="form-check form-check-inline">
      <input id="checkbox3" type="checkbox" checked="checked">
      <label for="checkbox3">Checkbox checked</label>
    </div>
  </div>
</div>

Example 2: bootsrap textbox

<form>
  <div class="form-group">
    <label for="exampleFormControlInput1">Email address</label>
    <input type="email" class="form-control" id="exampleFormControlInput1" placeholder="[email protected]">
  </div>
  <div class="form-group">
    <label for="exampleFormControlSelect1">Example select</label>
    <select class="form-control" id="exampleFormControlSelect1">
      <option>1</option>
      <option>2</option>
      <option>3</option>
      <option>4</option>
      <option>5</option>
    </select>
  </div>
  <div class="form-group">
    <label for="exampleFormControlSelect2">Example multiple select</label>
    <select multiple class="form-control" id="exampleFormControlSelect2">
      <option>1</option>
      <option>2</option>
      <option>3</option>
      <option>4</option>
      <option>5</option>
    </select>
  </div>
  <div class="form-group">
    <label for="exampleFormControlTextarea1">Example textarea</label>
    <textarea class="form-control" id="exampleFormControlTextarea1" rows="3"></textarea>
  </div>
</form>