Format:
.vertical-align-{value}
Values:
<span class="vertical-align-baseline">baseline</span>
<span class="vertical-align-bottom">bottom</span>
<span class="vertical-align-middle">middle</span>
<span class="vertical-align-sub">sub</span>
<span class="vertical-align-super">super</span>
<span class="vertical-align-text-bottom">text-bottom</span>
<span class="vertical-align-text-top">text-top</span>
<span class="vertical-align-top">top</span>