<button class="btn btn-primary">Primary</button>
<button class="btn btn-primary-outline">Primary</button>
<button class="btn btn-primary-ghost">Primary</button>
<button class="btn btn-primary-link">Primary</button>
<button><i class="btn-icon btn-primary-icon fas fa-shopping-cart"></i></button>
<button class="btn btn-primary-icon-text"><i class="btn-icon fas fa-shopping-cart"></i>Add to cart</button>
<button class="btn-float-action"><i class="fas fa-plus"></i></button>