<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet">
<form>
<div class="form-icons">
<h4>Register for an account</h4>
<div class="input-group">
<span class="input-group-label">
<i class="fa fa-user"></i>
</span>
<input class="input-group-field" type="text" placeholder="Full name">
</div>
<div class="input-group">
<span class="input-group-label">
<i class="fa fa-envelope"></i>
</span>
<input class="input-group-field" type="text" placeholder="Email">
</div>
<div class="input-group">
<span class="input-group-label">
<i class="fa fa-key"></i>
</span>
<input class="input-group-field" type="text" placeholder="Password">
</div>
</div>
<button class="button expanded">Sign Up</button>
</form>