<!-- Using the 'btn' class followed by 'btn-icon' -->
<button class="btn btn-icon normal-shadow">
	<i class="far fa-save"></i>Save
</button>
<!-- Using the 'btn' class followed by 'btn-icon simple-icon' -->
<button class="btn btn-icon simple-icon normal-shadow">
	<i class="far fa-save"></i> Save
</button>