Source: dist/css/acc_uc.css, line 10733
8.1.2 Background Position
For many images you will need top place background images in to a cardnial location.
Example s
.bg_left
cardnial left
bg_left
.bg_top
cardnial top
bg_top
.bg_right
cardnial right
bg_right
.bg_bottom
cardnial bottom
bg_bottom
.bg_center
cardnial center center
bg_center
<div class="[modifier class] seal_tiny" style="height:200px;max-width: unset;background-size: 100px;"><span class="alt">[modifier class]</span></div>