HTML

input form

<fieldset class="form-fieldset">
  <legend>Personal Information</legend>
  <div class="form-group">
    <label class="d-block">Firstname</label>
    <input type="text" class="form-control" placeholder="Enter your firstname">
  </div>
  <div class="form-group">
    <label class="d-block">Lastname</label>
    <input type="text" class="form-control" placeholder="Enter your lastname">
  </div>
</fieldset>