<button class="btn btn--fab btn--primary m-r-1"> <i class="fas fa-plus" aria-hidden="true"></i> </button> <button class="btn btn--fab btn--secondary"> <i class="fas fa-arrow-up"></i> </button>
<button class="btn btn--fab btn--primary m-r-1"> <i class="fas fa-plus" aria-hidden="true"></i> </button> <button class="btn btn--fab btn--secondary"> <i class="fas fa-arrow-up"></i> </button>