HTML
<div class="registration box">
<form class="registration__form block--large">
<div class="grid">
<div class="g g--half">
<div class="form-row helper">
<input type="text" placeholder="First name" />
<span class="helper__toggle js-helper__toggle">
<i class="fa fa-question"></i>
</span>
<div class="helper__body">
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt.
</div>
</div>
<div class="form-row">
<input type="text" placeholder="Last name" />
</div>
<div class="form-row helper">
<input type="text" placeholder="Email" />
<span class="helper__toggle js-helper__toggle">
<i class="fa fa-question"></i>
</span>
<div class="helper__body">
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt.
</div>
</div>
<div class="form-row">
<input type="text" placeholder="Phone" />
</div>
</div>
<div class="g g--half">
<div class="form-row">
<input type="text" placeholder="City" />
</div>
<div class="form-row">
<input type="text" placeholder="Zip" />
</div>
<div class="form-row">
<input type="text" placeholder="Street" />
</div>
<div class="form-row">
<input type="text" placeholder="..etc vcard" />
</div>
</div>
</div><!-- end grid -->
<div class="registration__action text--right block--large">
<button class="btn">Save and close</button>
</div>
</form>
</div>