Format:
.position-{value}
.{top,right,bottom,left}-{0..5}
Values:
Example:
<div class="position-relative border" style="height: 200px;">
<div class="position-absolute padding-1 right-3 bottom-3">
<button type="button" class="button button--floating-action">
<span class="material-icons">add</span>
</button>
</div>
</div>