Icon Style

<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-4x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-4x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-4x bg"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-4x bg"></i>
</div>

<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-3x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-3x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-3x bg"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-3x bg"></i>
</div>

<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-2x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-2x"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round fa-2x bg"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box fa-3x bg"></i>
</div>

<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-round bg"></i>
</div>
<div class="col-sm-3 text-center">
  <i class="fa fa-rocket fa-box bg"></i>
</div>