tlareg/vertical-align-middle.css

## vertical-align-middle.css
.va-middle {
  max-width: 100px;
  line-height: /*set height*/;
}

.va-middle > span {
  display: inline-block;
  vertical-align: middle;
  line-height: 1em; /*set line height back to normal*/
}

## vertical-align-middle.html
<div class="va-middle"><span>multiline text</span></div>
	.va-middle {
	max-width: 100px;
	line-height: /set height/;
	}

	.va-middle > span {
	display: inline-block;
	vertical-align: middle;
	line-height: 1em; /set line height back to normal/
	}